LifeXpan · blog

Habits and longevity: how many years a healthy lifestyle adds

2026-10-27T15:28:38.000Z

When longevity comes up, the focus usually goes to what's new: molecules, technologies, laboratory findings. But there's a more basic question that's almost never answered with numbers: how much do everyday habits really weigh?

A recent study followed more than 33,000 older adults for 20 years to try to answer it. In this article we'll tell you what it measured, what it found, and where its limits lie.

⏳ Longevity & Habits · 6 min read · Informative content

A 20-year follow-up of 33,541 people

The research, published under the title «How a healthy lifestyle mediates socioeconomic inequities in healthy ageing and life expectancies: A 20-year cohort of older adults», analysed 33,541 adults aged 65 or over from 23 provinces in China, and followed them for two decades.

The researchers measured two outcomes: all-cause mortality and what they called «unhealthy ageing», which took into account physical, cognitive, mental, visual and hearing function. They then divided participants by socioeconomic level (education, financial situation and occupation) and by lifestyle.

The four habits that were measured

The study didn't stop at a vague idea of «living healthily». It built a lifestyle score with four concrete elements:

1. Never having smoked.

2. Not drinking alcohol in excess.

3. Keeping up regular physical and leisure activity.

4. Following a healthy diet.

💡 In simple terms

The researchers compared those who met many of these habits with those who met few, and looked at how many years of life were associated with that difference.

Between 3 and almost 6 extra years of life

When comparing the group with the healthiest lifestyle to the least healthy one, the study estimated a difference in total life expectancy of 3.18 years in the low socioeconomic group, 3.76 years in the middle group and 5.65 years in the high group. In other words, in all three groups, living with healthier habits was associated with more years of life.

Healthy life expectancy from age 65 was also measured, which is the time lived without the limitations of unhealthy ageing. The difference was 1.40 years (low level), 2.73 years (middle) and 3.90 years (high).

🔬 Key fact

Habits weren't just linked to living more years: they were also linked to living more years with good physical and mental function. The difference in years of healthy life ranged from 1.4 to 3.9 years depending on the group.

How much do habits explain?

The study also found that people with a low socioeconomic level had a higher risk of dying and of ageing in worse conditions than those with a high level. And it asked what part of that gap is explained by lifestyle.

The answer: a healthy lifestyle explained 20.5% of the difference in mortality and 16.4% of the difference in unhealthy ageing. That's a significant part, roughly a fifth, but not everything.

What this study can't tell us

This is an observational study: it shows associations between habits and outcomes, but it doesn't prove that any single habit on its own causes those extra years. There are also other factors that influence how we age, and the study itself notes that habits only explain part of the differences.

What we can take from all this

Three ideas, with no promises:

1. The usual habits can be measured, and they count. Not smoking, moving regularly, watching your alcohol intake and eating well aren't empty advice: they were linked to specific years of life.

2. They matter for living longer and for living better. The difference also shows up in the years spent in good health.

3. They're the foundation. Built on top of this, longevity research looks at other pieces, such as NAD⁺, a molecule involved in cellular energy metabolism that declines with age, and its precursors, such as NR.

If you'd like to understand better what NR is and how the body uses it, we explain it step by step in our guide from scratch.

⚠️ An important note

If you take regular medication, or are pregnant or breastfeeding, consult your healthcare professional before taking supplements. Food supplements are not a substitute for a varied and balanced diet or a healthy lifestyle.

Conclusion

Longevity is built on unglamorous things: not smoking, moving, eating well, watching your alcohol intake. A 20-year follow-up of more than 33,000 people links them to between 3 and almost 6 extra years of life, and to more years in good health. They don't explain everything, but they're the foundation that everything else rests on.

Scientific references

How a healthy lifestyle mediates socioeconomic inequities in healthy ageing and life expectancies: A 20-year cohort of older adults. DOI: 10.1016/j.fmre.2025.10.004.

Informative content. This does not constitute an authorised health claim.

NAD+ in 2026: Three Scientific Breakthroughs That Change What We Knew

2026-10-22T07:22:53.576Z

NAD⁺ is one of the most talked-about molecules in longevity science, and one of the most misunderstood. Three studies published in recent months bring a lot of clarity: which precursors actually raise NAD⁺, what role the gut plays, and why a blood test is not the "aging clock" some promise. Here they are, without the hype.

🧬 Longevity Science · 6 min read · For educational purposes

First things first: what is NAD⁺?

NAD⁺ (nicotinamide adenine dinucleotide) is a coenzyme found in every cell of your body. It takes part in turning food into energy and in cellular maintenance. Your body makes it from several forms of vitamin B3, known as precursors: nicotinamide (NAM), nicotinamide riboside (NR) and nicotinamide mononucleotide (NMN), among others.

1. The gut was the missing piece

A trial published in Nature Metabolism in January 2026 compared three precursors head to head in people for the first time. Sixty-five healthy adults took NR, NMN, nicotinamide or placebo for 14 days.

NR and NMN raised blood NAD⁺ to a similar extent. Nicotinamide did not produce a sustained increase.
In the lab, gut bacteria converted NR and NMN into nicotinic acid, another form of vitamin B3, which turned out to be the most potent NAD⁺ booster in blood.
The authors propose a gut-dependent model: NR and NMN would raise NAD⁺ largely through what our gut microbes do with them.

It is a shift in perspective: gut health may shape how each person responds to these precursors. The study was funded by Nestlé Research, as the authors disclose.

2. Blood NAD⁺ is not an aging clock

You often hear that "NAD⁺ declines with age." A May 2026 study in Nature Metabolism, across seven European cohorts, put that to the test with a rigorously validated method. Whole-blood NAD⁺ stayed remarkably stable with age and did not change with lifestyle interventions, while it did rise with NR supplementation.

The practical takeaway matters: a blood NAD⁺ test is not a marker of your "biological age", nor a way to check whether your habits are working. What happens in other tissues, such as muscle or brain, remains an open question.

3. NR in accelerated aging: Werner syndrome

Werner syndrome is a rare inherited condition in which aging is accelerated and NAD⁺ depletion has been reported. Chiba University (Japan) published a double-blind crossover trial in Aging Cell: each patient took NR or placebo for 26 weeks and then switched.

No serious adverse events were seen with NR, the main goal of the study.
Arterial stiffness (CAVI index) improved and the area of skin ulcers decreased.
Blood creatinine, a marker related to kidney function, went down.

It is a small study in a specific condition, with NR provided by a manufacturer, so the results cannot simply be extended to healthy people. Still, it is one of the first placebo-controlled trials in a human model of accelerated aging.

What the three studies tell us together

NR and NMN raise blood NAD⁺, and the gut takes part in that process.
Blood NAD⁺ is not a good indicator of aging: be wary of tests sold that way.
Possible benefits are being studied in specific populations, with promising but still limited results.

NAD⁺ science is moving fast, and with more rigor every year. If you want to learn about the NR we formulate at LifeXpan, meet NR PURO.

This article is for educational purposes only and is not a substitute for advice from a healthcare professional. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

NAD+ and longevity: the 3 most recent discoveries in science

2026-10-22T07:22:53.576Z

Few molecules generate as much conversation in the world of longevity as NAD⁺. The good news is that the research no longer stops at mice: in 2025 and 2026, results in humans arrived that answer some very specific questions. Here are the three recent discoveries most worth knowing about.

🧬 Longevity Science · 6 min read · Informational content

First, in two lines: what NAD⁺ is

It's a coenzyme found in every one of your cells, involved in how they obtain energy from food. The body produces it from forms of vitamin B3 called precursors, such as nicotinamide riboside (NR), nicotinamide mononucleotide (NMN) and nicotinamide.

Discovery 1: the microbiota decides much of the effect

In January 2026, Nature Metabolism published the first direct comparison in humans of three precursors. In 65 healthy adults, NR and NMN raised blood NAD⁺ comparably over 14 days, whereas nicotinamide did not do so in a sustained way.

The most interesting part was the mechanism: gut bacteria converted NR and NMN into nicotinic acid, which turned out to be the compound that raised blood NAD⁺ the most. In other words, your microbiota could influence how much you benefit from these precursors. (The study was funded by Nestlé Research, as its authors declare.)

Discovery 2: measuring blood NAD⁺ doesn't reveal your biological age

Seven groups of people across Europe, measured using a highly rigorous laboratory method, showed something that contradicts a widespread belief: blood NAD⁺ stays stable with age and doesn't change with lifestyle habits; it only rose when people took NR. The work was published in Nature Metabolism in May 2026.

So it's worth being wary of tests that promise to calculate your “cellular age” from blood NAD⁺. What happens in muscle or in the brain remains an open question.

Discovery 3: NR and memory, an honest result

A pilot trial published in Alzheimer's & Dementia in 2026 studied older adults with mild cognitive impairment. Over 12 weeks, 42 people took NR or a placebo.

NR was well tolerated and doubled blood NAD⁺.
It did not improve memory or cognitive function, which was the primary endpoint, nor overall cerebral blood flow.
An exploratory analysis found a possible increase in blood flow in the hippocampus, a key area for memory, which will need to be confirmed with longer studies.

This is a result worth reporting as it stands: raising NAD⁺ doesn't automatically translate into noticeable changes, at least not within 12 weeks.

What we're learning

NR and NMN do raise blood NAD⁺, with the microbiota playing a leading role.
Blood NAD⁺ doesn't work as a clock for ageing.
The benefits in humans are still being researched, with mixed results calling for longer studies.

If you'd like to discover the NR we formulate at LifeXpan, here's NR PURO.

This product is not a medicine. Use of this product is the responsibility of whoever recommends it and whoever uses it. This article is for informational purposes only and does not replace consultation with a health professional.

NAD+ in 2026: three scientific advances that change what we knew

2026-10-22T07:22:53.576Z

NAD⁺ is one of the most talked-about molecules in longevity, and also one of the most poorly explained. In recent months, three papers have been published that bring real clarity to the debate: they show which precursors genuinely raise NAD⁺, what role the gut plays, and why a blood test isn't the “clock” some claim it to be. Here's the honest rundown, no exaggeration.

🧬 Longevity Science · 6 min read · Educational information

Before we start: what is NAD⁺

NAD⁺ (nicotinamide adenine dinucleotide) is a coenzyme present in all your cells. It's involved in extracting energy from food and in cellular maintenance processes. The body makes it from several forms of vitamin B3, known as precursors: nicotinamide (NAM), nicotinamide riboside (NR) and nicotinamide mononucleotide (NMN), among others.

1. The gut was the missing piece

A trial published in Nature Metabolism in January 2026 compared three precursors head-to-head in people for the first time. Sixty-five healthy adults took NR, NMN, nicotinamide or placebo for 14 days.

NR and NMN raised blood NAD⁺ in a similar way. Nicotinamide did not do so in a sustained manner.
In the lab, gut microbiota converted NR and NMN into nicotinic acid, another form of vitamin B3, and this acid turned out to be the compound that raised blood NAD⁺ the most.
The authors propose a model in which the gut is part of the pathway: NR and NMN would raise NAD⁺ largely through what our bacteria do with them.

It's a shift in perspective: gut health could influence how each person responds to these precursors. The study was funded by Nestlé Research, as the authors themselves declare.

2. Blood NAD⁺ is not an ageing clock

It's often repeated that “NAD⁺ falls with age”. A paper from May 2026 in Nature Metabolism, with seven European cohorts (two of them in Valencia and Murcia), put this to the test with a very rigorous measurement method. Blood NAD⁺ remained remarkably stable with age and did not change with lifestyle interventions either; however, it did rise with NR supplementation.

The practical conclusion is important: a blood NAD+ test cannot be used as a marker of your “biological age”, nor to measure whether your habits are working. What happens in other tissues, such as muscle or the brain, remains an open question.

3. NR in accelerated ageing: Werner syndrome

Werner syndrome is a rare inherited disease in which ageing is accelerated and in which an NAD⁺ deficit has been described. Chiba University (Japan) published a double-blind, crossover trial in Aging Cell: each patient took NR or placebo for 26 weeks and then switched to the other.

There were no serious adverse effects with NR, which was the primary endpoint.
Arterial stiffness improved (CAVI index) and the area of skin ulcers was reduced.
Blood creatinine dropped, an indicator related to kidney function.

It's a small study, in a specific condition and with NR supplied by a manufacturer, so its results cannot simply be extended to healthy people. But it's among the first placebo-controlled trials in a human model of accelerated ageing.

What all three tell us together

The precursors NR and NMN raise blood NAD⁺, and the gut plays a part in that process.
Blood NAD⁺ is not a good indicator of ageing: be wary of tests that claim otherwise.
Potential benefits are being studied in specific populations, with promising but still limited results.

NAD⁺ science is moving fast, and with ever more rigour. If you'd like to understand NR properly from the start, take a look at what NR is, a guide from scratch. And if you'd like to discover the NR we formulate at LifeXpan, here's NR PURO.

Food supplements should not be used as a substitute for a varied and balanced diet and a healthy lifestyle. This article is for educational purposes only and does not replace the advice of a healthcare professional.

Internal clock and energy: why you don't perform the same at all hours

2026-10-20T13:53:43.000Z

There are hours when everything flows and hours when it feels like you're driving with the handbrake on. We tend to put it down to sleep, coffee or stress. But science has spent years uncovering something deeper: your cells also keep their own clock, and part of the machinery that makes your energy seems to move to its rhythm.

In this article, we look at what's been observed, in which organisms it's been observed, and where the limits of what we can currently claim lie.

⏱️ Longevity & Cellular Energy · 6 min read · Informational content

Your body doesn't work the same at 9am as it does at 9pm

The circadian rhythm is the internal clock that organises, in cycles of roughly 24 hours, processes such as sleep, body temperature or metabolism. It doesn't live only in the brain: almost every cell carries its own molecular clock, made up of genes that switch on and off in a rhythmic way.

What's interesting for energy is that this clock doesn't just dictate when you sleep. It also appears to synchronise when and how the mitochondria work, the structures that produce almost all the energy your cells use.

Mitochondria have a schedule too

A review published in Frontiers in Endocrinology (2016) reports that, in studies with rodents and cells, more than a third of mitochondrial proteins accumulate following a daily pattern. It also notes that mitochondrial respiration, the process by which mitochondria produce energy, varies throughout the day and depends on the clock, on nutrients and on meal timing.

In other words: your cells' energy factory doesn't run at a constant pace. It works in shifts.

💡 In simple terms

Picture a factory that doesn't run the same way by day as by night: the teams, the supplies and the intensity all change. Your mitochondria seem to work in much the same way, following the signals of the internal clock.

NAD⁺: the molecule that links the clock with energy

NAD⁺ is a coenzyme involved in cellular energy metabolism. And here we come to one of the most cited findings on the topic: in 2009, a team studied laboratory mice and found that NAD levels fluctuate throughout the day, something previously thought to be fairly constant. This rhythm followed the activity of the clock genes.

The mechanism they proposed is a feedback loop. The clock genes influence NAD production; NAD is needed for SIRT1 to function, a protein that in turn restrains the clock genes. In other words, the clock sets the rhythm of NAD, and NAD in turn influences the clock.

The same 2016 review describes a model in which NAD⁺ acts as a metabolic link between the clock and the mitochondria: in cells lacking a key clock gene (BMAL1), reduced mitochondrial activity could be restored by replenishing NAD⁺ levels. The authors themselves point out that this model is not yet fully established.

🔬 Key fact

All of these findings come from mice, rats and cultured cells. The studies we've cited don't provide data in people, so we can't claim that the same thing happens in the same way in the human body.

And what about age?

Here's another piece of the puzzle. NAD⁺ levels decline with age, and it's also been observed that circadian rhythms weaken in old age. A 2020 study in Molecular Cell explored whether the two are connected in mice.

In that study, aged mice received nicotinamide riboside (NR), an NAD⁺ precursor, in their drinking water for four months. According to the study's summary, some circadian traits that had weakened with age were restored towards levels typical of young mice, and around half of the liver genes regulated by the clock shifted in a direction the authors describe as beneficial.

It's a promising result, but it should be read with caution: these are mice, with controlled exposure over several months. It's not proof that the same thing happens in people, and human research into this specific link remains an open question.

What we can take from all this

Without making any promises, three ideas hold up based on what we've seen:

1. Energy has a rhythm. It's not unusual that you don't perform the same way at every hour: cell biology follows cycles.

2. Pattern matters. In animals, mitochondrial respiration depends on the clock as well as on meal timing. Keeping your routines regular is consistent with what this research suggests.

3. NAD⁺ is a central piece, and it declines with age. That's why its precursors, such as NR, are being studied as part of a broader approach to caring for cellular energy, one whose main pillars remain sleep, diet and exercise.

If you'd like to understand what NR is and how the body uses it, we explain it step by step in our guide from scratch.

⚠️ An important note

If you take regular medication, are pregnant or breastfeeding, consult your healthcare professional before taking any supplement. Food supplements are not a substitute for a varied, balanced diet and a healthy lifestyle.

Conclusion

Your energy isn't a straight line: it's a wave. And behind that wave is a clock in every cell, mitochondria that change shifts, and a molecule, NAD⁺, that seems to sit at the centre of it all. Science is still working out how much of this applies to people, but understanding the rhythm is the first step towards looking after it.

Scientific references

Manella, G. and Asher, G. (2016). The Circadian Nature of Mitochondrial Biology. Frontiers in Endocrinology, 7, 162.

Ramsey, K. M. et al. (2009). Circadian clock feedback cycle through NAMPT-mediated NAD+ biosynthesis. Science.

Levine, D. C. et al. (2020). NAD+ Controls Circadian Reprogramming through PER2 Nuclear Translocation to Counter Aging. Molecular Cell.

Informational content. This does not constitute an authorised health claim.

What is NR (nicotinamide riboside): a guide from scratch

2026-10-13T11:09:00.000Z

You've seen the letters NR on social media, on a label, or in a conversation about longevity, and you're not quite sure what it actually is. That's completely normal: it gets talked about a lot but explained very little. In this guide, we start from scratch: what it is, what your body does with it, what European regulation says, and how to take it. No miracle promises.

🧬 Guide from scratch · 5 min read · Informational content

What is NR?

NR stands for nicotinamide riboside. It's a molecule related to vitamin B3: the European Food Safety Authority (EFSA) concluded that it is a source from which nicotinamide, a form of niacin, can be absorbed. In other words, it belongs to the vitamin B3 family, but it isn't "the usual vitamin B3".

What makes it interesting is what your body does with it: it uses it as a raw material to make NAD⁺.

NR and NAD⁺: what's the difference?

NAD⁺ (nicotinamide adenine dinucleotide) is a coenzyme present in every one of your cells. It plays a part in how your body obtains energy from food, among other cellular processes. NR is not NAD⁺ itself: it's a precursor, meaning a building block that the body can convert into NAD⁺.

A 2016 study published in Nature Communications described the oral bioavailability of NR in mice and in people and found that it could raise NAD⁺ levels in humans. A later 2018 trial in middle-aged and older adults found that taking NR consistently was well tolerated and raised NAD⁺.

💡 In simple terms

NAD⁺ is the coenzyme. NR is one of the building blocks your body can use to make it. Taking NR isn't the same as "taking NAD⁺": it's giving your body a raw material.

Why does NR come up when people talk about ageing?

Because NAD⁺ levels aren't fixed throughout life. A paper published in PLoS ONE studied age-related changes in oxidative stress and NAD⁺ metabolism in human tissue, and it's one of the references that has fuelled interest in NAD⁺ precursors. That's why NR comes up in conversations about ageing and cellular energy.

Let's be clear: scientific interest doesn't mean a supplement can treat any disease or "stop" ageing. NR is a food supplement, and that's how it should be regarded.

Is it safe? What European regulation says

In the European Union, nicotinamide riboside chloride is authorised as a novel food in food supplements, following an assessment by EFSA. That assessment concluded it is safe for the healthy adult population, at up to 300 mg per day (with a different consideration for pregnancy and breastfeeding). According to EFSA, this dose provides a nicotinamide amount six times lower than the tolerable upper intake level for adults.

This authorisation is set out in Commission Implementing Regulation (EU) 2020/16 and was updated in 2022 by Regulation (EU) 2022/1160.

🔬 Key fact

An ingredient being authorised means it has passed a specific safety assessment, under specific conditions of use. It isn't a claim that it "works" for anything in particular.

How do you take it?

LifeXpan® NR PURO is taken as one capsule in the morning, on an empty stomach, with a glass of water. It's a simple habit, easy to build into your routine. If you already take other supplements, you can combine it with them: in our other articles we talk about how it complements coenzyme Q10.

The questions we get asked most

Are the brand and the product the same thing? No. LifeXpan® is the brand; NR PURO is one of its products.

Is NR the same as vitamin B3? It belongs to the same family, but it isn't the same thing. NR is a precursor of NAD⁺ and was assessed as its own ingredient.

Is there a daily limit? Yes: the European authorisation sets a limit of 300 mg a day for healthy adults.

⚠️ An important note

If you take regular medication, are pregnant or breastfeeding, speak to your healthcare professional before supplementing. Food supplements are not a substitute for a varied and balanced diet and a healthy lifestyle.

Conclusion

NR is a precursor of NAD⁺, a coenzyme your body uses every day and whose levels change with age. It's authorised in the EU as a food supplement, with a safety limit assessed by EFSA, and it's taken in a very simple way. Understanding what it is—and what it isn't—lets you decide with good judgement, without the noise.

🧬 NR PURO by LifeXpan®

Nicotinamide riboside for your morning routine. One capsule a day.

🧬 View NR PURO

Scientific references

EFSA NDA Panel (2019). Safety of nicotinamide riboside chloride as a novel food pursuant to Regulation (EU) 2015/2283 and bioavailability of nicotinamide from this source. EFSA Journal, 17(8):5775.

European Commission (2020). Commission Implementing Regulation (EU) 2020/16 authorising the placing on the market of nicotinamide riboside chloride as a novel food. Amended by Implementing Regulation (EU) 2022/1160.

Trammell, S.A.J. et al. (2016). Nicotinamide riboside is uniquely and orally bioavailable in mice and humans. Nature Communications, 7, 12948.

Martens, C.R. et al. (2018). Chronic nicotinamide riboside supplementation is well-tolerated and elevates NAD+ in healthy middle-aged and older adults. Nature Communications, 9, 1286.

Massudi, H. et al. (2012). Age-associated changes in oxidative stress and NAD+ metabolism in human tissue. PLoS ONE, 7(7), e42357.

Informational content. This does not constitute an authorised health claim.

Vitamin C and D in autumn: what each one really does for your immune system

2026-09-30T07:53:27.000Z

Every autumn, the same thing happens: suddenly, everyone around you seems to have a cold. And the answer is almost always the same: "take some vitamin C". But that phrase lumps together two nutrients that don't do the same job. Vitamin C and vitamin D act on the immune system in different, complementary ways — and understanding that difference is what allows you to use them properly, rather than just taking them out of habit.

Here, we'll look precisely at what each one does in your body, why autumn is when they're most needed, and how to take them correctly.

🍂 Immune system & Autumn · 7 min read · General information

Two vitamins, two different jobs

It's easy to think of vitamin C and vitamin D as interchangeable — both "for your immunity". But they perform different roles within the immune system. One acts mainly as protection: defending cells and mucous membranes from everyday wear and tear. The other acts as regulation: it's directly involved in how your defences are activated and coordinated. Looking at them separately is what helps us understand why autumn puts both to the test, albeit for different reasons.

Vitamin C: the antioxidant shield

Vitamin C contributes to the normal function of the immune system, partly by protecting cells from the oxidative stress generated by the immune response itself. But its role doesn't end there: it also contributes to normal collagen formation, the protein that gives structure to skin, blood vessels and — most relevant here — the mucous membranes of the nose and throat, that first physical barrier which, in autumn, becomes drier from the cold air and more vulnerable.

What's more, vitamin C increases iron absorption when taken alongside plant-based foods, and contributes to the reduction of tiredness and fatigue — relevant at a time of year when the body, with less daylight and greater immune demands, tends to feel the strain more.

💡 In simple terms

Vitamin C doesn't "activate" your defences directly. It protects them: looking after the physical barriers (the mucous membranes) and reducing the cellular wear left behind by the immune response at work. It's maintenance, not a switch.

Vitamin D: the immune system's regulator

Vitamin D works differently. It contributes to the normal function of the immune system, but its role is more about coordination than protection: it's involved in how the cells that form part of the immune response are activated. And this is precisely why autumn is its critical season.

Most vitamin D isn't obtained from diet; rather, the body synthesises it in the skin through exposure to sunlight (specifically, UVB radiation). As autumn arrives, days grow shorter and the angle of the sun changes, so that synthesis naturally decreases — right when the immune system needs it most to coordinate properly.

🔬 Key fact

Unlike most nutrients, the body doesn't get vitamin D mainly from food, but from sunlight. That makes it the seasonal vitamin par excellence: at the latitudes where we live, levels tend to be lower between autumn and winter than during the sunnier months.

Why they complement each other, not replace each other

Neither one replaces the other, because they don't cover the same ground. Vitamin C protects the barriers and reduces wear; vitamin D coordinates the response. Taking only one means covering just half the equation. And in the case of vitamin D, there's an extra reason to pay attention to it in autumn: it's the one that depends most on sunlight, and therefore the one most likely to drop precisely at this time of year — whereas vitamin C, coming from the diet, is somewhat easier to maintain year-round with a varied diet.

✨ The key point

If you had to prioritise one in autumn because of the seasonal factor, it would be D — it's the one that depends most on a resource (sunlight) that's scarce at this time of year. But together, they cover two different fronts of the same system.

How to take them correctly

The way you take them is also different, because their chemical nature is different.

Vitamin C: it's water-soluble, so it's best taken with a good glass of water, preferably with meals — the body doesn't store it, so daily consistency matters more than any one-off amount.

Vitamin D (combined with K2): it's fat-soluble, so it's better absorbed when taken alongside a meal containing some fat. If you already have a morning routine with other cellular energy supplements, this is one that fits better with a main meal than on an empty stomach.

⚠️ An important note

Vitamin K2 contributes to normal blood clotting, so if you're taking anticoagulants (such as warfarin), you should check with your doctor before taking a supplement containing it. Likewise, if you're pregnant, breastfeeding, have a medical condition or take other medication, speak to your healthcare professional before supplementing. Food supplements are not a substitute for a varied, balanced diet and a healthy lifestyle.

In short

Vitamin C protects your mucous membranes and cells from everyday wear and tear. Vitamin D coordinates how your immune system responds, and it's the one that autumn puts most to the test, because it depends on sunlight. They're not the same piece of the puzzle — so if you're only going to focus on one thing this season, it's worth making it both, not one instead of the other.

🍊 LifeXpan® High Dose Vitamin C 1000 mg

Pure vitamin C (L-ascorbic acid) in a high dose, which contributes to the normal function of the immune system, to normal collagen formation, and to the reduction of tiredness and fatigue. One capsule a day, with plenty of water, preferably with meals.

☀️ LifeXpan® Vitamin D3 + K2 (MenaQ7®)

Vitamin D3 combined with vitamin K2 in its MK-7 form (MenaQ7®), with high bioavailability. It contributes to the normal function of the immune system, to the maintenance of normal bones, and to normal blood clotting. One capsule a day, preferably with a meal containing fat.

MenaQ7® is a registered trademark of Gnosis by Lesaffre.

Scientific references

Commission Regulation (EU) No 432/2012 establishing a list of permitted health claims made on foods (claims on vitamin C and vitamin D). EUR-Lex

NIH Office of Dietary Supplements — Vitamin D: Fact Sheet for Health Professionals (cutaneous synthesis of vitamin D from UVB radiation). NIH ODS

Quesada Gómez JM, et al. Vitamin D deficiency in Spain: reality or myth? Revista de Osteoporosis y Metabolismo Mineral. SciELO

Educational information on ingredient mechanisms. This does not constitute an unauthorised health claim. Food supplements should not be used as a substitute for a varied, balanced diet.

What your grandmother couldn't have known about longevity

2026-09-21T12:37:41.000Z

There's an idea we take for granted without realising how recent it actually is: that ageing isn't simply "the passage of time", but a process with concrete mechanisms — cellular damage, division limits, the wearing down of specific structures — which, up to a point, can be influenced. It sounds like common sense. But it isn't, and it hasn't been for almost all of human history.

Your grandmother, or your great-grandmother, lived much of her life in a world where science didn't even have the vocabulary to explain why we age. Much of what's covered today in a popular science article is less than 70 years old — and some of the most important discoveries are less than 20. This is a brief journey through that surprisingly short history.

🕰️ History of Science & Longevity · 7 min read · Educational information

1956 — For the first time, an explanation of why we age

For centuries, ageing was explained as a given — "the passage of time", with no mechanism behind it. That changed in 1956, when scientist Denham Harman proposed the free radical theory of ageing: the idea that unstable molecules — generated, among other processes, by cellular respiration itself — progressively damage the body's structures throughout life.

It was the first time in history that a concrete mechanism was proposed for ageing, not just a description that it happens. Before 1956, the concept of a "free radical" wasn't even part of the vocabulary around ageing.

💡 In simple terms

Until the mid-20th century, science described ageing almost the way it would describe the weather: something that just happens, without asking too much about the mechanism behind it. 1956 is the moment it began to be treated as a biological process with an identifiable cause — the starting point for everything that followed.

1961 — Cells aren't immortal, and that changed everything

For decades it was assumed that cells, grown in a lab, could divide indefinitely. In 1961, biologist Leonard Hayflick showed this wasn't the case: human cells have a limited number of divisions — between 50 and 60 — before they stop replicating. This limit is known today as the "Hayflick limit".

It was an enormous conceptual shift: if cells have a biological division limit, ageing stops being a vague mystery and starts having an explanation at a cellular level that can be measured and studied.

2009 — A Nobel Prize for understanding why that limit exists

Almost two decades would pass before we began to understand why the Hayflick limit exists. The key piece is telomeres — the protective ends of our chromosomes — which shorten a little each time a cell divides. When they become too short, the cell stops replicating.

The work that established this connection took years and the contribution of several researchers, until in 2009 Elizabeth Blackburn, Carol Greider and Jack Szostak received the Nobel Prize for describing how telomeres and the enzyme telomerase protect chromosomes. It's worth pausing on the date: this isn't a mid-20th-century discovery. It's a Nobel Prize awarded less than a generation ago.

🔬 Key fact

If you're between 30 and 50 years old, there's a good chance you'd already been born when science hadn't yet fully established the role of telomeres in cellular ageing. That's how recent it is.

The 1990s and 2000s — The pathways we know today emerge

In the following decades, research identified a set of mechanisms that today are at the heart of longevity science: sirtuins — a family of NAD⁺-dependent regulatory proteins — and nutrient-sensing pathways such as mTOR and AMPK, which turned out to be central regulators of how the body ages and responds to diet, fasting and exercise.

It is precisely this body of knowledge — relatively young, in historical terms — that today explains why there's so much talk of NAD⁺, calorie restriction, intermittent fasting: these aren't trends without foundation, they're concepts that are only just beginning to have a solid mechanistic explanation.

✨ The key idea

Almost everything that's explained today about longevity with apparent ease — free radicals, telomeres, NAD⁺, sirtuins — is knowledge that has been built up in little more than half a century, much of it in the last two or three decades. Our grandmothers had access to none of these explanations.

What this means today

This isn't an anecdotal fact. It means we're living in the first moment in history when, on genuine scientific grounds, ageing can be thought of as a process with levers we can act on — not simply accepted as something that just happens. It also means this field is still moving fast: what's known for certain today will likely be expanded in the coming decades, just as happened between 1956 and 2009.

Products like NR or coenzyme Q10 don't exist in a vacuum — they're the practical translation of this recent body of knowledge about NAD⁺ and mitochondrial function, applied to something as everyday as a daily routine.

⚠️ An important note

The fact that science has advanced a great deal doesn't mean everything is settled. Many of these pathways remain the subject of active research, and translating these mechanisms into concrete interventions in humans is progressing carefully and with gradual evidence, not absolute certainties.

Conclusion

Next time you read something about mitochondria, NAD⁺ or free radicals and it feels like "common knowledge", it's worth remembering that it isn't. It's new knowledge, built up over the span of a couple of generations — ours is, quite literally, the first moment in history when ageing can be understood in this level of detail.

🕰️ The science behind LifeXpan®

Pure NR and CavaQ10® + TetraSOD®: the practical application of decades of recent research into NAD⁺, mitochondria and cellular antioxidant defence.

Scientific references

Harman, D. (1956). Aging: a theory based on free radical and radiation chemistry. Journal of Gerontology, 11(3), 298–300.

Hayflick, L. & Moorhead, P.S. (1961). The serial cultivation of human diploid cell strains. Experimental Cell Research, 25(3), 585–621.

Amano, H. & Sahin, E. (2019). Telomeres and sirtuins: at the end we meet again. Molecular & Cellular Oncology. (Cell, 2020 review).

The Nobel Assembly at Karolinska Institutet (2009). The Nobel Prize in Physiology or Medicine 2009 — Press release.

Longo, V.D. et al. (2015). Interventions to Slow Aging in Humans: Are We Ready? Aging Cell, 14(4), 497–510.

Informational content. This does not constitute an authorised health claim. Food supplements should not be used as a substitute for a varied and balanced diet.

September and the hidden cycle between stress and your magnesium

2026-09-08T14:24:42.000Z

September has a reputation that almost nobody questions: it's "normal" to arrive more tired, more irritable, sleeping worse, during the first days — or weeks — of getting back into the routine. We accept it as the inevitable toll of leaving summer behind. But there's something that acceptance overlooks: while your mind makes peace with going back to school and work within days, your body may keep paying that bill for a good deal longer.

🍂 Stress & Energy Science · 7 min read · Educational information

What cortisol actually does

Cortisol is the central hormone of the stress response. In short bursts, it's useful and even necessary: it mobilises energy, keeps you alert, helps you perform under pressure. The problem isn't cortisol itself — it's when it stays elevated for a sustained period, which happens easily when the body shifts, almost overnight, from the calm of summer to the pace of September's schedules, obligations and stimuli.

Research on chronic stress is clear on one point: when cortisol stays high for weeks, it isn't a neutral state. A study in older adults found a direct association between cortisol excretion and markers of oxidative damage to DNA and RNA — those who excreted more cortisol showed up to 57-61% more of these markers of cellular wear than those who excreted less. It's one of the pieces linking sustained stress to accelerated ageing.

💡 In simple terms

Your mind might decide it has "got used to" being back in the routine within a couple of weeks. But biology doesn't work by conscious decision: elevated cortisol keeps acting on your cells for as long as the physiological stress level remains, regardless of whether you've mentally already written it off as normal.

The vicious circle almost nobody knows about

Here's the least-known fact of all, the one that gives meaning to the rest of the article. Elevated cortisol doesn't just create that constant sense of alertness: it also makes your body excrete more magnesium through urine. This is a well-documented mechanism — acute and chronic stress increases urinary magnesium excretion, which can lower the amount available in the body.

And here's where the circle closes, and why it's particularly relevant: magnesium isn't a passive bystander in all this. When its levels drop, the hormonal axis that regulates your stress response — the hypothalamic-pituitary-adrenal axis, or HPA axis — becomes more reactive. In other words, with less magnesium, your body tends to release more cortisol in response to the same level of stress. Less magnesium, more cortisol. More cortisol, less magnesium. A self-feeding cycle that continues until something interrupts it.

🔬 Key fact

An analysis of a controlled trial with adults aged 45-70 who took 350 mg of magnesium daily for 24 weeks found an average reduction of 32 nmol in 24-hour urinary cortisol excretion, compared with the placebo group. It's not just a theoretical relationship: replenishing magnesium is associated with a different way the body processes cortisol.

Why September is when it's most noticeable

For many people, summer tends to be a time of lower sustained demands — fewer rigid schedules, more rest, fewer simultaneous stimuli. The return to routine in September represents a relatively sharp jump in daily stress load: schedules, responsibilities, children going back to school, projects starting up again. That jump is precisely the kind of situation that triggers sustained cortisol — and with it, the cycle we've just described.

It's no coincidence, then, that many people notice a fatigue in September that doesn't quite add up with "I've slept the hours I'm supposed to" — because the problem isn't always how much sleep you get, but a stress system that stays switched on in the background.

✨ The key takeaway

Treating September's exhaustion as "normal" doesn't change what's happening inside the body. The biological cost exists, whether or not the conscious feeling of stress builds up. Recognising it is the first step towards not letting it slide.

What role magnesium can play

Given this mechanism, it makes sense to pay attention to magnesium precisely at this time of year. Magnesium contributes to the normal functioning of the nervous system, to normal psychological function, and to the reduction of tiredness and fatigue — three approved claims that are directly relevant to what this cycle describes.

Not all forms of magnesium are absorbed equally. Chelated forms — such as bisglycinate — have notably higher bioavailability than inorganic salts like oxide, and are gentler on the digestive system, making them a suitable choice for sustained use over time, which is exactly what this cycle calls for.

⚠️ An important note

If stress, fatigue or associated symptoms are intense or persistent, consult your healthcare professional — they may require an assessment that goes beyond a nutritional adjustment. Food supplements are not a substitute for a varied and balanced diet, nor for professional stress management when needed.

Conclusion

September fatigue isn't just a matter of "getting used to it". There's a real biological mechanism behind it — sustained cortisol, magnesium loss, an increasingly reactive stress axis — that isn't resolved simply because the mind decides it's now normal. Understanding the cycle is what allows us to stop treating it as cost-free, and start interrupting it where we actually can: by replenishing what this process is depleting.

🍂 LifeXpan® Magnesium Bisglycinate

High-bioavailability chelated magnesium, which contributes to the normal functioning of the nervous system, to normal psychological function and to the reduction of tiredness and fatigue. Designed to support you through the most demanding times, such as getting back into routine.

Scientific references

Joergensen, A. et al. (2011). Association between Urinary Excretion of Cortisol and Markers of Oxidatively Damaged DNA and RNA in Humans. PLoS ONE, 6(6), e20795.

Pickering, G. et al. (2020). Magnesium Status and Stress: The Vicious Circle Concept Revisited. Nutrients, 12(12), 3672.

Cuciureanu, M.D. & Vink, R. (2011). Magnesium and stress. In: Magnesium in the Central Nervous System. University of Adelaide Press.

Lindberg, J.S. et al. (1990). Magnesium bioavailability from magnesium citrate and magnesium oxide. Journal of the American College of Nutrition, 9(1), 48–55.

Boyle, N.B. et al. (2017). The Effects of Magnesium Supplementation on Subjective Anxiety and Stress. Nutrients, 9(5), 429.

Informational content. This does not constitute an authorised health claim beyond the functions stated in accordance with current regulations, nor medical advice. Food supplements are not a substitute for a varied and balanced diet.

The energy paradox: why living wears you down

2026-09-01T11:05:10.000Z

There's a paradox at the very heart of being alive, and it's rarely explained well: the same process that keeps you energised is also the one that wears you down the most. This isn't a rhetorical contradiction — it's pure biochemistry, and understanding it completely changes how you should think about supplementation for energy and longevity.

🔥 Longevity Science · 7 min read · Educational information

Producing energy comes at a cost

Every cell in your body breathes oxygen to produce ATP, the energy you use for everything. It's an extraordinarily efficient process — and, inevitably, a messy one. As a by-product of this cellular combustion, reactive oxygen species (ROS) are generated, better known as free radicals.

The scientific literature describes this with a word that keeps coming up: paradox. Oxygen is essential for producing energy efficiently, but that very same process — the more intense it is, the more ROS it generates — is an unavoidable source of oxidative stress. There's no way to produce cellular energy without also generating some of the wear and tear that, over time, contributes to ageing.

💡 In simple terms

Think of your mitochondria as a combustion engine. The harder it works, the more energy it produces — and the more "smoke" it releases through the exhaust pipe. There's no such thing as a combustion engine without waste. The relevant question isn't how to avoid the smoke entirely, but how to manage it well.

Why "take more antioxidants" is an incomplete answer

The intuitive reaction to this is to think: if the problem is free radicals, the solution is antioxidants. The more, the better. But that logic falls short, for a reason science has been refining in recent years.

Your body doesn't rely solely on antioxidants you take in from outside. It has its own enzymatic defence system — led by a family of enzymes called superoxide dismutases (SOD), which act as the first line of defence by neutralising the most immediate free radical generated by energy production, superoxide, right where it's produced. It's a system far more sophisticated than "more vitamin C is better": it's a precisely regulated enzymatic network, with different players in different compartments of the cell.

What's more, not all ROS are "the enemy". Recent research confirms that, in the right amounts, they play a role in cellular signalling — taking part in regulation and adaptation processes, and even in the response to exercise. The problem isn't that they exist; the problem is when they overwhelm the system and the defences can't keep up.

🔬 Key fact

Research describes the balance between producing ATP and generating ROS as one the body actively regulates, not as a war to be won simply by adding "more antioxidants". Slowing down metabolism reduces ROS, but it also reduces the energy available. The goal isn't to eliminate the process — it's to properly support both sides of the equation.

The two sides of the equation

Here's the central idea of this whole article: since the problem has two sides — energy is needed, and that energy generates wear — the sensible answer also has two sides. It's not enough to support one without the other.

First side: keep producing energy efficiently. Coenzyme Q10 is a central component of the electron transport chain, where ATP is produced. Mitochondria that function efficiently don't just generate more energy — they also generate, proportionally, less ROS per unit of energy produced, because the process flows more smoothly.

Second side: strengthen the defence against what that process generates. This is where support for the body's own enzymatic defences comes in — such as that offered by TetraSOD®, an extract from a marine microalgae that provides superoxide dismutase, the same family of enzymes that acts as the body's natural first line of defence. This isn't about adding one more antioxidant to the pile, but about supporting the machinery your own body already uses to manage the ROS it produces.

✨ The key idea

Living wears you down, because producing energy and generating ROS are the same coin with two faces. That's why supporting only one side — taking antioxidants on their own without also supporting energy production, or the other way round — leaves the equation half-finished. The two parts work together, not separately.

So where does NR fit in?

This whole process — both ATP production and ROS generation — depends on the mitochondria having the fuel they need to function. NAD⁺ is that starting piece: without enough of it, the whole machinery — energy production and defence system included — loses efficiency. NR, as a direct precursor of NAD⁺, helps replenish what age reduces, sustaining the foundation everything else relies on.

⚠️ An important note

None of this replaces a varied diet rich in natural antioxidants (fruit, vegetables, polyphenols), nor a lifestyle that includes exercise and good rest. If you take regular medication, consult your healthcare professional before supplementing. Food supplements are not a substitute for a balanced diet.

Conclusion

The paradox of living is this: the process that gives you energy is, at the same time, the one that wears you down the most. There's no way to eliminate that wear without stopping energy production — so the useful question isn't how to avoid it, but how to properly support both sides of the same coin: continuing to produce energy efficiently, while reinforcing the defences that manage what that process generates.

🔥 Energy and cellular defence · LifeXpan®

Pure NR, CavaQ10® and TetraSOD®: fuel for energy production, and support for the body's own enzymatic defences. Two sides of the same equation.

Scientific references

Nasi, M. et al. (2025). Pathophysiology of reactive oxygen species (ROS): compartmental signaling and disease. Review, PMC.

Ye, Z. et al. (2024). Systems-level analyses dissociate genetic regulators of reactive oxygen species and energy production. PNAS, 121.

Guo, C. et al. (2011). Antioxidants Maintain Cellular Redox Homeostasis by Elimination of Reactive Oxygen Species. Cellular Physiology and Biochemistry, 44(2), 532–553.

Yu, W. et al. (2025). Reactive Oxygen Species Across Death Pathways: From Redox Sensing to Signal Transduction. International Journal of Molecular Sciences, 26(20), 10240.

Hernández-Camacho, J.D. et al. (2018). Coenzyme Q10 Supplementation in Aging and Disease. Frontiers in Physiology, 9, 44.

CavaQ10® and gamma-cyclodextrin technology are brands and technology of WACKER Chemie AG, used under licence. TetraSOD® is a registered trademark of Fitoplancton Marino, S.L., used under licence. Informational content only. This does not constitute an authorised health claim.

NR and Q10: Why do you need two supplements for cellular energy?

2026-08-25T13:40:21.000Z

If you've taken an interest in cellular energy, you've probably heard about NAD⁺ and coenzyme Q10 separately. Each has its own benefits, its own studies and its own community of advocates. But there's something that's almost never explained properly: both work within the same chain, at different points, and what one does isn't much use without what the other does. It's like having fuel but no spark, or the other way round.

In this article, we explain why the logic of combining them isn't marketing — it's biochemistry. And why taking them together makes a kind of sense that choosing just one doesn't.

⚡ Cellular energy & Protocol · 6 min read · Educational information

The chain that produces your energy: a quick recap

All the energy your body uses — to move, think, breathe, repair tissue — is made in the mitochondria, through a process called the electron transport chain. It's a sequence of reactions in which electrons pass from one molecule to another, releasing energy at each step, until they produce ATP — the energy currency of every cell.

The important thing to understand about the synergy is that this chain isn't a single step: it's a sequence with several key points, each with its own leading molecule. And that's where NAD⁺ and coenzyme Q10 come in — each at a different point.

NAD⁺: the one that hands over electrons at the start

NAD⁺ (nicotinamide adenine dinucleotide) is the coenzyme that picks up the electrons generated when your body breaks down food — glucose, fats — and delivers them to complex I, the entry point of the electron transport chain. Without enough NAD⁺, those electrons never reach the chain, and the whole of ATP production stalls from the very first step.

The trouble is that NAD⁺ levels decline with age — in some tissues, by up to 50% between the ages of 30 and 50. Less NAD⁺ means fewer electrons delivered at the start of the chain, and therefore less raw material for producing energy. NR (nicotinamide riboside) is a direct precursor: your body converts it into NAD⁺ efficiently, helping to replenish what age depletes.

💡 In simple terms

NAD⁺ is like the fuel that feeds the energy production line. Without it, the factory has nothing to run on — no matter how well the rest of the machinery is working.

Coenzyme Q10: the one that carries those electrons down the chain

Once NADH (the charged form of NAD⁺) delivers its electrons to complex I, those electrons need to keep moving along the chain to complete the process and generate ATP. This is where coenzyme Q10 comes in: it's the molecule that picks up those electrons and carries them from complex I (and also from complex II) through to complex III. Without it, the electrons get stuck and the chain breaks down halfway through.

Just like NAD⁺, coenzyme Q10 production also declines with age. And since it sits at a different point in the same chain, its shortage isn't solved by more NAD⁺ — because the problem isn't at the start, it's in transit.

🔬 Key fact

NAD⁺ and CoQ10 work literally as a pair within the electron transport chain. NADH donates electrons to complex I, and CoQ10 picks them up and carries them to complex III. They're two consecutive links in the same process — which is why it makes biological sense to approach them as a pair, not as standalone supplements.

Why one without the other performs less well

Here's the crux of the whole article, and it's simpler than it sounds.

If you have plenty of NAD⁺ (fuel) but low CoQ10, electrons reach the start of the chain but get stuck in transit — they don't convert efficiently into ATP, and oxidative stress builds up too, because those "stranded" electrons react haphazardly with oxygen.

If you have plenty of CoQ10 (transport) but low NAD⁺, the transport route is clear but not enough electrons arrive to move along it — the machinery is ready but has nothing to run on.

In both cases, the result is the same: ATP production below what it could be. And in both cases, a single supplement only solves half the problem.

✨ The key idea

It's not about taking more. It's about covering the whole chain. NR replenishes the fuel that declines with age. CoQ10 keeps up the transport that turns that fuel into energy. Together, each one helps the other perform better — because they act on consecutive links of the same process.

The evidence behind it

Research has begun to confirm what biochemistry suggests. A study published in 2024 tested NR and CoQ10 separately and found that each improves different aspects of cellular function: NR improved mitochondrial function as measured by a bioenergetic index, while CoQ10 reduced markers of inflammation. The researchers themselves noted that the logical next step is to study whether combining them produces an additional effect.

An earlier study, from 2015, had already observed that combining CoQ10 with NADH (the reduced form of NAD⁺) was associated with an increase in ATP levels, along with improvements in blood CoQ10 and in the activity of a key enzyme in the energy cycle. This is one of the first pieces of direct evidence that combining both nutrients produces measurable changes in cellular energy production.

A 2026 review sums up the principle well: NAD⁺ and CoQ10 act as a redox pair within complex I of the electron transport chain. When both are at adequate levels, the efficiency of ATP production improves — and as a side effect, the generation of free radicals is reduced, which is a by-product of a chain that isn't working well.

The routine, in practice

With all this clear, the routine becomes much simpler. Both are taken in the morning, on an empty stomach, with a glass of water.

NR Puro replenishes the NAD⁺ that declines with age — the fuel that powers the start of the chain. One capsule in the morning.

CavaQ10® + TetraSOD® is the first water-soluble CoQ10, which means it can be taken on an empty stomach without needing fat — something conventional CoQ10 can't do. It also includes TetraSOD®, the antioxidant enzyme that protects the chain from the oxidative stress generated by its own activity.

One gesture, two capsules, a glass of water. And the energy chain covered from start to finish.

⚠️ An important note

If you take regular medication — especially blood thinners or blood pressure treatment —, are pregnant or breastfeeding, consult your healthcare professional before supplementing. Food supplements are not a substitute for a varied and balanced diet and a healthy lifestyle.

Conclusion

The question "is NR or CoQ10 better?" starts from a false premise: they're not alternatives, they're consecutive pieces of the same chain. Choosing between one or the other is like choosing between having fuel or having an engine — you need both for something to move. The science backs it up, the biochemistry explains it, and the routine makes it easy.

⚡ NR Puro + CavaQ10® + TetraSOD® Pack by LifeXpan®

The fuel and the spark of your cellular energy, together every morning. NR to replenish NAD⁺, water-soluble CoQ10 for electron transport, and TetraSOD® for antioxidant defence.

Scientific references

Castro-Marrero, J. et al. (2015). Does Oral Coenzyme Q10 Plus NADH Supplementation Improve Fatigue and Biochemical Parameters in Chronic Fatigue Syndrome? Antioxidants & Redox Signaling, 22(8), 679–685.

Roshanravan, B. et al. (2024). Supplementation with Nicotinamide Riboside and Coenzyme Q10 in Chronic Kidney Disease. Journal of Clinical Investigation.

Mantle, D. et al. (2024). Coenzyme Q10 and NAD+ as potential synergistic supplements for mitochondrial bioenergetics. Q10facts.com / review article.

Yusri, K. et al. (2025). The role of NAD+ metabolism and its modulation of mitochondria in aging and disease. Nature Aging.

Hernández-Camacho, J.D. et al. (2018). Coenzyme Q10 Supplementation in Aging and Disease. Frontiers in Physiology, 9, 44.

What happens to your energy during menopause, and how to get through it

2026-08-20T08:29:42.000Z

"It's your age." That's the explanation most commonly offered when a woman going through perimenopause or menopause says she's exhausted in a way she's never felt before. It's not just tiredness: it's a lack of energy that more sleep doesn't fix, and it's often accompanied by brain fog, changes in weight, and a sense that the body simply doesn't respond the way it used to.

The real explanation is more precise than "your age" — and, surprisingly, it's rarely talked about. It has to do with a hormone that does far more than we usually give it credit for, and with its direct effect on the power stations inside every single one of your cells.

⚡ Cellular energy & Life stages · 7 min read · Educational information

Oestrogen isn't just a reproductive hormone

When we think of oestrogen, we almost automatically think of the menstrual cycle and reproduction. But that's only part of what it does. Oestrogen is also an active regulator of the whole body's energy metabolism: it plays a role in how you manage glucose, in fat distribution, in cognitive function — and, directly, in how your mitochondria function.

Mitochondria are the structures inside every cell responsible for producing ATP, the energy your body uses for everything. Recent research confirms something that was largely overlooked for years: oestrogen regulates genes linked to mitochondrial function and encourages the formation of new, efficient mitochondria, a process known as mitochondrial biogenesis.

💡 In simple terms

Think of oestrogen as a supervisor helping to keep your cells' energy factory in good working order — making sure enough production lines are built, and that they run well. When that supervisor steps back, the factory doesn't grind to a halt overnight, but it does start to lose efficiency.

What happens when oestrogen declines

During perimenopause and menopause, the drop in oestrogen isn't an isolated change: it translates into measurable shifts at the mitochondrial level. Research points to several specific mechanisms.

The first is a reduced capacity to produce energy. A 2024 study analysing real skeletal muscle biopsies in postmenopausal women found that those receiving hormone therapy — with oestrogen — showed greater mitochondrial respiratory capacity in muscle than those who weren't. In other words: lower oestrogen was measurably linked to less efficient muscle mitochondria.

The second is an increase in oxidative stress. Oestrogen helps activate an antioxidant protection mechanism inside the mitochondria (via a protein called SIRT3, which in turn protects the enzyme SOD2). When oestrogen drops, this protection weakens, leaving mitochondria more exposed to damage from free radicals.

The third directly affects that feeling of brain fog: oestrogen also acts on the brain, helping neurons take up glucose efficiently to produce energy. As it declines, this process becomes less smooth — which helps explain why so many women describe perimenopause as a stage where "they can't think as clearly as before".

🔬 Key fact

The tissues most affected by this decline are precisely the ones that use the most energy: the brain, muscle and ovaries. It's no coincidence that fatigue, brain fog and changes in muscle strength are such characteristic symptoms of this stage — all three share the same mitochondrial root.

Why this matters more than it seems

Understanding this mechanism changes the conversation in two important ways.

The first: it validates something many women feel and that is often dismissed. Perimenopausal fatigue isn't "overreacting" or "lacking willpower" — it has a concrete physiological basis, one that is measurable and well documented in recent scientific literature.

The second: it opens the door to thinking about this stage not only in hormonal terms, but also in terms of cellular health. Alongside decisions about hormone therapy — which are strictly a matter for a medical conversation — there are day-to-day factors that influence how well the mitochondria function during this process: strength exercise, which directly stimulates mitochondrial biogenesis; rest, when a good part of cell repair processes take place; and nutritional support for energy and antioxidant protection.

✨ The key idea

The fatigue of perimenopause and menopause isn't a failure of character. It's partly a story of mitochondria receiving less hormonal protection than before — and that shift completely changes how it's worth approaching it.

What can support you through this process

No supplement replaces a conversation with a professional about this stage, nor does it replace any medical decisions that may be needed. But there's a legitimate place for nutritional support for cellular energy, precisely because the underlying challenge is mitochondrial.

Coenzyme Q10 is involved in ATP production within the mitochondria and acts as an antioxidant in their membranes — exactly the kind of support that makes sense when the natural protection once provided by oestrogen is reduced. NR, for its part, helps replenish the NAD⁺ that mitochondria need to function, which also declines with age independently of the hormonal process.

⚠️ An important note

Hormone therapy and any decision related to the medical management of menopause should always be discussed with a healthcare professional — it's an individual clinical decision that depends on your medical history. Food supplements do not replace that approach or a varied and balanced diet; at most, they are an additional support.

Conclusion

Next time someone tells you the tiredness of this stage is "just your age", you can know there's a more precise explanation: it's largely a story of mitochondria that have lost part of the protection oestrogen once gave them. Understanding why doesn't change the biology — but it does change how you treat yourself while going through it.

⚡ Support for cellular energy · LifeXpan®

Pure NR and CavaQ10® + TetraSOD®: a NAD⁺ precursor and water-soluble coenzyme Q10, designed to support cellular energy at any stage of life.

⚡ CavaQ10® + TetraSOD® · 🧬 Pure NR

Scientific references

Moreira-Pais, A. et al. (2024). Estrogenic control of mitochondrial function. Free Radical Biology and Medicine.

Kleis-Olsen, A.S. et al. (2024). Metabolic flexibility in postmenopausal women: hormone replacement therapy is associated with higher mitochondrial content, respiratory capacity, and lower total fat mass. Acta Physiologica, e14117.

Zhao, Y. et al. (2025). Regulation of mitochondrial dysfunction by estrogens and estrogen receptors. Basic & Clinical Pharmacology & Toxicology.

Ko, S.H. & Kim, H.S. (2020). Menopause-associated lipid metabolic disorders and foods beneficial for postmenopausal women. Nutrients, 12(1), 202.

Torres, M.J. et al. (2018). Mitochondrial dysfunction and its role in metabolic and neurodegenerative diseases. Nature Reviews Endocrinology.

Informative content. This does not constitute an authorised health claim or medical advice. Food supplements are not a substitute for a varied and balanced diet or for the advice of a healthcare professional.

Why coffee gives you a boost and Q10 doesn't (and why that's a good thing)

2026-08-10T07:44:33.000Z

You drink a coffee and within twenty minutes you feel better. You take a coenzyme Q10 capsule and, if you're honest, you feel nothing — not that day, nor the next. It's tempting to conclude that coffee "works" and Q10 doesn't. But that conclusion comes from comparing two things that don't do the same job. Understanding the difference — what exactly happens in your body with each one — completely changes how you should judge them.

☕ Cellular energy & Everyday science · 6 min read · Informational content

What coffee actually does: hiding the signal, not creating energy

To understand coffee's boost, you need to meet a little-known player: adenosine. It's a molecule produced as a natural by-product when your cells use up ATP — the energy they run on. The more you think, move, or simply stay awake, the more adenosine builds up in your brain. That build-up is, quite literally, the chemical signal for "I need to rest": it binds to receptors called A1 and A2A and slows down neural activity, producing the feeling of sleepiness and fatigue.

Caffeine has a molecular structure similar enough to adenosine's that it fits into those very same receptors without activating them. In other words: it occupies the space but doesn't deliver the message. The result is that the "you're tired" signal gets blocked, even though the underlying cause — the real energy expenditure — is still there, unresolved.

💡 In simple terms

Imagine tiredness is an alarm going off in your brain. Coffee doesn't put out the fire that triggered it — it takes the batteries out of the smoke detector. That's why the effect is so fast: it doesn't have to manufacture anything, it just has to cover up a signal that already existed.

Why the effect drops off so suddenly

This is where the infamous "crash" comes from. While caffeine occupies the receptors, real adenosine keeps building up in the background, unable to bind to them. When caffeine's effect wears off — usually a few hours later — all the receptors become free at once, and that accumulated adenosine binds to them all in one go. The result is a wave of tiredness that hits harder than if you'd never had coffee at all: it's not that coffee "causes" more tiredness, it's that it had been masking the tiredness you already had, which now shows up all at once.

What coenzyme Q10 does: not covering the signal, but helping to generate the energy

Coenzyme Q10 works in a completely different place: it doesn't act on the brain receptors that perceive tiredness, but on the mitochondrial machinery that produces ATP. It's a component of the electron transport chain, the process by which the cell converts what you eat and the oxygen you breathe into the energy it uses for everything.

This explains the two key differences compared with coffee. First: there's nothing to "feel" immediately, because it isn't blocking any signal — it's taking part in a background metabolic process that isn't experienced as a sudden rush. Second: it doesn't cause a crash, because it hasn't been hiding anything that needs to show up later. If anything, what it does is support that background process — real energy production — so it runs more efficiently over time.

🔬 Key fact

Coffee acts on the perception of tiredness within minutes. Coenzyme Q10 acts on energy production, a process that builds up over weeks of consistent use. They aren't comparable in speed because they aren't solving the same problem.

So, which one is better?

Neither replaces the other, because they're not competing for the same job.

Coffee has its place: it's useful for a quick boost now and then, a demanding afternoon, an early start. Its limitation is that, used as a constant daily strategy, it builds up an adenosine debt that the body eventually calls in — hence the tolerance, which means you need more and more for the same effect.

Coenzyme Q10 doesn't offer that immediate lift, and anyone taking it expecting to feel "something" straight away will be disappointed — not because it doesn't work, but because that's not what it's designed to do. Its territory is different: to steadily support, over time, your cells' underlying capacity to produce energy — without borrowing from tomorrow's supply.

✨ The key idea

One borrows. The other builds. Coffee and Q10 follow entirely different logics — and confusing them is why so many people give up on a cellular energy supplement thinking it "does nothing", when in fact it never promised to do what coffee does.

How CavaQ10® fits into this logic

If you decide to support your baseline cellular energy, it's worth choosing a form of coenzyme Q10 that's well absorbed. CavaQ10® is the first water-soluble coenzyme Q10 — thanks to gamma-cyclodextrin technology, it's absorbed without relying on dietary fat and reaches up to around 18 times the bioavailability of a conventional CoQ10. Take it on an empty stomach, with a glass of water, alongside Pure NR in the morning — a simple habit designed to be kept up over time, which is exactly what this kind of support needs.

⚠️ An important note

If you take medication regularly or have any medical condition, consult your healthcare professional before supplementing. Food supplements are not a substitute for a varied and balanced diet and a healthy lifestyle.

Conclusion

Next time you compare your morning coffee with your coenzyme Q10 capsule, remember you're not comparing two energisers in the same category. One silences an alarm. The other takes part in the engine that set it off. And only by understanding that difference can each be judged for what it truly does.

⚡ CavaQ10® + TetraSOD® by LifeXpan®

The first water-soluble coenzyme Q10: up to ~18× more bioavailable, taken on an empty stomach, with TetraSOD® for cellular antioxidant defence. Real energy, at the cellular level.

Scientific references

Fredholm, B.B. et al. (2001). International Union of Pharmacology. XXV. Nomenclature and classification of adenosine receptors. Pharmacological Reviews, 53(4), 527–552.

Ribeiro, J.A. & Sebastião, A.M. (2010). Caffeine and adenosine. Journal of Alzheimer's Disease, 20(s1).

Bhagavan, H.N. & Chopra, R.K. (2006). Coenzyme Q10: absorption, tissue uptake, metabolism and pharmacokinetics. Free Radical Research, 40(5), 445–453.

Hernández-Camacho, J.D. et al. (2018). Coenzyme Q10 Supplementation in Aging and Disease. Frontiers in Physiology, 9, 44.

Nehlig, A. (2018). Interindividual Differences in Caffeine Metabolism and Factors Driving Caffeine Consumption. Pharmacological Reviews, 70(2), 384–411.

Informational content. This does not constitute an authorised health claim. Food supplements are not a substitute for a varied and balanced diet.

How long does coenzyme Q10 take to work: the real half-life

2026-08-06T13:36:05.000Z

You've been taking coenzyme Q10 for four days now, and you're wondering whether you're noticing something or just imagining it. It's one of the most common questions about this supplement, and the answer isn't in your perception: it's in how this molecule moves through your body. Understanding its journey — how long it takes to reach the bloodstream, how long to settle into a steady level, how long to reach the tissues where it actually does its work — is what separates reasonable expectations from giving up too soon, right before the process has had a chance to complete itself.

⏱️ Cellular energy & Routine · 6 min read · Educational information

The first stretch: from capsule to bloodstream

When you take a coenzyme Q10 capsule, the molecule doesn't appear in your blood straight away. Being a fat-soluble substance with a large molecular size, its absorption is slow. The peak blood concentration after a dose is reached at around 6 hours — not 20 minutes, as is the case with smaller, water-soluble nutrients.

From that point on, coenzyme Q10 begins to clear from the blood following what pharmacology calls its half-life: the time it takes for its concentration to drop by half. For Q10, that half-life is roughly 33 hours — over a full day. That's a long time compared with many nutrients, and it has a direct practical implication.

💡 In simple terms

A half-life of 33 hours means that, by the time you take the next day's capsule, a meaningful amount of the previous day's dose is still in your body. You don't start from zero each morning: every dose builds on the last. That's why Q10 doesn't work like an aspirin that acts and then disappears, but rather as something that builds up gradually with consistent use.

The second stretch: reaching steady state

Here's the detail that really changes expectations. Once you start taking a daily supplement, your blood levels don't settle after the first dose: they rise gradually, dose after dose, until reaching what's known as steady state — the point at which the amount entering each day balances out with the amount being cleared. For coenzyme Q10, reaching that balance in the blood takes between one and two weeks of daily use.

In other words: the first few days don't reflect what the supplement can actually offer. They reflect the build-up phase, before levels settle. Judging Q10's effect after three or four days is, in pharmacological terms, judging something that hasn't yet had time to establish itself.

The third stretch, the one that really matters: the tissues

Here's a nuance that's almost never explained, and it's the most important of the three. The fact that coenzyme Q10 reaches steady state in the blood doesn't mean it has already reached sufficient levels in the tissues where it actually does its work — the heart, the muscles, the mitochondria in every cell. Blood is the transport route; tissue is the destination.

Studies that have measured this process directly work with longer timeframes than the two weeks it takes to reach blood equilibrium. One study in patients about to undergo heart surgery found significant increases in coenzyme Q10 in heart tissue after four weeks of daily supplementation. Another study, focused on heart tissue in older adults, used a minimum period of one week before observing changes — but the general pattern in the literature is that full tissue saturation takes anywhere from several weeks to a couple of months, depending on the tissue and the dose.

🔬 Key fact

There are three different clocks running at once: a fast one (hours, to reach the bloodstream), a medium one (one to two weeks, for blood equilibrium) and a slow one (several weeks, to saturate the tissues). Realistic expectations should be based on the slowest of the three, not the fastest.

What this means for your routine

With these three stretches clear, three practical points that often cause confusion make much more sense.

Why you shouldn't judge results in the first week. Neither the blood nor the tissues have reached their equilibrium point yet. Any assessment made in that timeframe is based on a process that's only half finished.

Why daily intake matters more than a one-off dose. Because it has a long half-life, Q10 benefits from regularity. Skipping several days in a row causes the accumulated level to start dropping before you've even reached the stage where tissues fully benefit.

Why one month is a reasonable timeframe for assessment. This isn't an arbitrary figure: it's roughly the time that the literature associates with measurable changes at tissue level. Before that point, the body is still in the process of building up.

✨ The key idea

Coenzyme Q10 isn't a molecule with an immediate effect, and it shouldn't be judged as if it were. It's something that builds up with consistency. The right question isn't "can I feel it yet?" after three days, but "have I taken it regularly for at least a few weeks?".

Why initial absorption matters too

Everything above assumes that coenzyme Q10 is absorbed well from the very first step. But there's another variable that adds to the time involved: the conventional form of CoQ10 is fat-soluble and has limited absorption, so a significant portion of each dose never even starts this journey. The smaller the fraction absorbed, the slower and more incomplete the whole build-up process we've just described becomes.

That's why starting bioavailability isn't a minor technical detail: it determines how much real "raw material" enters this three-stage clock. A form with better absorption doesn't speed up the molecule's half-life — that's fixed physiology — but it does ensure that the amount entering the system is greater from day one, which translates into higher levels at each of the three stages.

⚠️ An important note

These timeframes are indicative and come from studies with different designs and populations; they are not a promise of results. Individual response varies. If you take medication — especially blood thinners or blood pressure treatment — or have a medical condition, consult your healthcare professional before supplementing.

How CavaQ10® fits into this logic

At LifeXpan we designed CavaQ10® with exactly this process in mind. As the first water-soluble coenzyme Q10 — thanks to gamma-cyclodextrin technology — it doesn't depend on dietary fat to be absorbed and reaches up to around 18 times the bioavailability of conventional CoQ10. This doesn't change the molecule's half-life, but it does ensure that, from the very first dose, a greater and more consistent amount enters the system — which helps all three stages of the process complete more effectively over weeks of regular intake.

Take it on an empty stomach, with a glass of water, alongside NR Puro in the morning — a simple habit that, kept up over time, is exactly what this build-up process needs.

Conclusion

Coenzyme Q10 doesn't fail when you don't notice it after three days: it simply hasn't had time to complete its journey. Understanding the three stages — absorption, blood equilibrium and tissue saturation — changes the question from "why isn't it working?" to "have I given it the time and consistency it needs?". And that is, almost always, the right question to ask about any supplement designed to support long-term biological processes.

⚡ CavaQ10® + TetraSOD® by LifeXpan®

The first water-soluble coenzyme Q10: up to ~18× more bioavailable from the very first dose, taken on an empty stomach, with TetraSOD® for cellular antioxidant defence. Designed for the daily, consistent intake this process requires.

Scientific references

Bhagavan, H.N. & Chopra, R.K. (2006). Coenzyme Q10: absorption, tissue uptake, metabolism and pharmacokinetics. Free Radical Research, 40(5), 445–453.

Pravst, I. et al. (2010). Coenzyme Q10 contents in foods and fortification strategies. Critical Reviews in Food Science and Nutrition, 50(4), 269–280.

Rosenfeldt, F.L. et al. (2002). Coenzyme Q10 protects the aging heart against stress. Biofactors, 18(1-4).

Keith, M. et al. (2008). Increased oxidative stress in patients with congestive heart failure. JPEN, 32(3).

Hernández-Camacho, J.D. et al. (2018). Coenzyme Q10 Supplementation in Aging and Disease. Frontiers in Physiology, 9, 44.

Informational content. This does not constitute an authorised health claim. Food supplements are not a substitute for a varied and balanced diet.

This week's connections

→ Instagram: post "3 signs your mitochondria are asking for help" (same theme as the relaunch, TOFU level). → Newsletter: distribute this blog + the post, teasing the CavaQ10® relaunch without revealing the offer yet. → Product: direct link to CavaQ10® included above.

Mitochondria and ageing: the power stations that decide everything

2026-07-29T17:52:26.000Z

Inside almost every cell in your body there are hundreds, sometimes thousands, of tiny structures working tirelessly. They're called mitochondria, and their job is to convert what you eat and the oxygen you breathe into usable energy. We usually learn at school that they're "the powerhouse of the cell" and that's about as far as it goes. But the science of ageing in recent years has placed these structures at the centre of a powerful idea: you age, to a large extent, at the pace your mitochondria age.

This isn't a metaphor. Mitochondrial dysfunction is now recognised as one of the "hallmarks" of ageing — one of the fundamental processes that explain why the body changes over the years. Understanding how these powerhouses work, why they lose efficiency and what protects them is therefore key to understanding one of the pillars of longevity.

⚡ Longevity Science · 7 min read · Informational content

What your mitochondria actually do

The best-known function of the mitochondrion is to produce ATP, the molecule your body uses as its energy currency. Every movement, every thought, every heartbeat and every cellular repair process is paid for in ATP. And that ATP is manufactured in the mitochondrion, through a process called the electron transport chain.

The tissues that consume the most energy are the ones with the most mitochondria. The heart, for example, is the organ with the highest mitochondrial density in the body — around a third of the volume of each heart cell. The brain and muscles are also major consumers. It's no coincidence that these are precisely the organs that show the effects of time the most.

But there's an unavoidable detail in this process: while producing energy, the mitochondrion also generates reactive by-products — the so-called free radicals or reactive oxygen species. In normal amounts, these are manageable and even useful as signals. The problem arises when they build up.

💡 In simple terms

Picture the mitochondrion as an engine that burns fuel to give you energy. Like any engine, besides energy it produces "smoke" — free radicals. A young, well-maintained engine burns cleanly and manages that smoke well. A worn one produces more smoke than it can clear, and that excess ends up damaging the machinery itself.

Why mitochondria lose efficiency with age

Over the years, several things happen in your mitochondria at once, and they all reinforce one another:

They produce less energy. The capacity to generate ATP declines, partly because the machinery loses efficiency and partly because the number of healthy mitochondria falls. The result is that feeling of "the engine running on less power" that many people notice from a certain age onwards.

They generate more free radicals. A less efficient mitochondrion produces more reactive by-products for each unit of energy. And that rise in oxidative stress damages mitochondrial DNA, proteins and membranes — including those of the mitochondrion itself, in a self-reinforcing cycle.

They renew themselves less well. The body has systems to make new mitochondria (biogenesis) and to remove damaged ones (a process called mitophagy). With age, both quality-control systems slow down, so defective mitochondria build up, producing little energy and a lot of damage.

This combination — less energy, more oxidative damage and poorer renewal — is what researchers describe as age-related mitochondrial dysfunction. And it's linked to the wear and tear of the most demanding tissues: the cardiovascular, muscular and neurological systems.

The good news: mitochondria respond

If all this sounds inevitable, here's the encouraging part: mitochondrial health is, to a large extent, modifiable. These are the levers with the strongest evidence behind them.

Exercise, especially endurance and strength training. It's the most powerful stimulus for mitochondrial biogenesis: exercising literally tells your body to make more mitochondria, and more efficient ones. No pill matches this effect.

A diet that doesn't overload the system. Chronic calorie excess and constant glucose spikes increase mitochondrial oxidative stress. A diet rich in polyphenols — vegetables, berries, olive oil — and free from excess ultra-processed foods reduces that burden.

Rest and stress management. Sleep is when much of the cellular repair and cleaning process takes place. Poor rest and chronic stress accelerate mitochondrial damage.

Support from certain nutrients. This is where nutrition comes into the equation — as support for a lifestyle that already takes care of the points above, never as a substitute.

Coenzyme Q10: a key piece within the mitochondria

Of all the nutrients linked to mitochondrial function, there's one that literally lives inside these power stations: coenzyme Q10. It plays two roles that connect directly with everything above.

On one hand, it's an essential part of the electron transport chain — meaning it's directly involved in ATP production. Without enough coenzyme Q10, the mitochondria's energy machinery can't run at full capacity.

On the other, it acts as a fat-soluble antioxidant within the mitochondrial membranes themselves, precisely where oxidative stress is generated. In other words, it helps manage the "smoke" we mentioned, right where it's produced.

The problem is twofold. First, natural coenzyme Q10 production declines with age, alongside mitochondrial decline. Second, conventional coenzyme Q10 is absorbed with great difficulty: it's fat-soluble, requires fat to be absorbed, and much of it is lost during digestion.

🔬 Key fact

The decline in coenzyme Q10 with age occurs precisely in the tissues with the highest energy demands, the very ones that most depend on healthy mitochondria. That's why the goal isn't just to provide more, but to provide it in a form the body can actually absorb.

CavaQ10® + TetraSOD®: designed for the mitochondria

At LifeXpan we've tackled this twofold problem with a formula built around mitochondrial function. CavaQ10® is the first water-soluble coenzyme Q10: thanks to gamma-cyclodextrin technology, it dissolves in water, is absorbed without needing fat, and reaches up to around 18 times the bioavailability of conventional CoQ10. It's taken on an empty stomach, with a glass of water.

Alongside it is TetraSOD®, a marine microalgae extract that provides superoxide dismutase — one of the body's own front-line antioxidant enzymes — which acts at the very first line of defence against free radicals. While coenzyme Q10 sustains energy production and protects the membranes, TetraSOD® helps neutralise part of the oxidative damage that this same process generates, right at its source. Two complementary pieces of the same machinery.

And it fits naturally alongside Pure NR, which helps replenish the NAD⁺ that mitochondria need to function. Three fronts of the same cellular energy chain, designed to be taken together in the morning.

⚠️ An important note

Nutritional support complements, it doesn't replace. The foundation of mitochondrial health is exercise, diet and rest. If you take medication — especially blood thinners — or are pregnant or breastfeeding, consult your healthcare professional before supplementing. Food supplements are not a substitute for a varied and balanced diet.

Conclusion

Mitochondria are far more than the "powerhouse" we were taught about at school. Their condition determines how much vitality you have today and, to a large extent, how you age. Looking after them isn't down to a single action, but to a whole set: moving, eating well, resting and, on top of that foundation, supporting their function.

Because ultimately, looking after your mitochondria means looking after the very machinery behind your energy and your longevity. And that's something that starts long before you notice the engine losing power.

⚡ CavaQ10® + TetraSOD® by LifeXpan®

The first water-soluble coenzyme Q10: up to ~18× more bioavailable and suitable to take on an empty stomach, with TetraSOD® for cellular antioxidant defence. Designed to support mitochondrial function, alongside Pure NR in the morning.

Scientific references

Jia, K. et al. (2025). Mitochondrial Dysfunction in Aging: Future Therapies and Precision Medicine Approaches. MedComm – Future Medicine.

López-Otín, C. et al. (2023). Hallmarks of aging: An expanding universe. Cell, 186(2), 243–278.

Hernández-Camacho, J.D. et al. (2018). Coenzyme Q10 Supplementation in Aging and Disease. Frontiers in Physiology, 9, 44.

Marcheggiani, F. et al. (2019). Modulation of Coenzyme Q10 content and oxidative status in human dermal fibroblasts. Aging, 11(9).

Chistiakov, D.A. et al. (2014). Mitochondrial aging and age-related dysfunction of mitochondria. BioMed Research International, 2014, 238463.

Informational content. This does not constitute an authorised health claim. Food supplements are not a substitute for a varied and balanced diet or a healthy lifestyle.

Is coenzyme Q10 only for older people? What the science says

2026-07-20T10:07:58.000Z

There's a widespread idea about coenzyme Q10: that it's "for older people". A supplement you only start to consider from around 60, once your body no longer produces as much as it used to. It's true that production declines with age — but the full story is more interesting, and it completely changes who might actually benefit from it.

Because the synthesis of coenzyme Q10 doesn't start declining at 60. It starts much earlier. And its two main functions — producing energy and neutralising free radicals — aren't needs exclusive to later life: they matter in every cell, at any age. In this article, we explain what Q10 actually does and why the idea that "it's only for older people" falls short.

⚡ Cellular Energy & Longevity · 6 min read · Educational information

What coenzyme Q10 is and what it does in your body

Coenzyme Q10 (CoQ10) is a compound that your own body produces and that's present in practically all of your cells, concentrated mainly in the mitochondria. It performs two fundamental functions, and understanding them is key to seeing why it matters at any age.

First function: producing energy. CoQ10 is an essential part of the electron transport chain, the process by which the mitochondria generate ATP — the energy molecule your body uses for absolutely everything: moving, thinking, breathing, regenerating tissue. Without sufficient CoQ10, that energy production becomes less efficient.

Second function: protecting as an antioxidant. CoQ10 — especially in its reduced form, ubiquinol — acts as a fat-soluble antioxidant, capable of neutralising free radicals and protecting cell membranes, lipids, proteins and DNA from oxidative damage.

Practically all the benefits attributed to coenzyme Q10 stem from these two abilities: generating energy and slowing oxidative damage. Everything else follows from these two basic functions.

💡 In simple terms

Think of CoQ10 as doing two jobs at once inside every cell: it's part of the engine that generates energy, and at the same time it's part of the system that clears away the "smoke" that engine produces. Energy and protection, in the same molecule. And neither of those needs disappears just because you're young.

The fact that overturns the "it's only for older people" idea

Here's the point that debunks the myth. The body's natural production of coenzyme Q10 peaks at around 20-25 years old and begins to decline from that age onwards. Not at 60. From the age of 30, many people already have lower levels than in their youth, and that decline continues gradually over the years. Levels in the brain, for example, drop markedly from age 50 onwards.

In other words: by the time you reach "the age when you're supposed to start taking Q10", you've already spent two or three decades producing less of it. The drop isn't a sudden event of old age, but a slow process that begins in youth.

Why a young adult could benefit

If production is already declining and Q10's functions matter at every stage of life, why is it associated only with old age? Largely, it's down to habit and marketing. But there are specific reasons why a younger person might have an interest in it:

Lifestyle accelerates oxidative damage. Chronic stress, smoking, alcohol, pollution, very intense exercise and a poor diet all increase the production of free radicals. Because of their pace of life, many young people build up more oxidative damage than their body can comfortably neutralise. This is where an antioxidant like CoQ10 has a role to play.

Demanding sport increases the demand. Intense physical activity drives up both the need for energy and the generation of free radicals. Athletes — of any age — are a clear example of a younger population with a high demand for both of Q10's functions.

Starting earlier can make a real difference in the long run. There's a preventive logic here: maintaining good CoQ10 status and protecting cells from accumulated damage well before decline becomes significant is a strategy that fits with how cellular ageing actually works — a gradual, cumulative process.

🔬 Key fact

Cellular ageing isn't a switch that flips at a certain age, but the progressive build-up of damage over the years. That's why strategies that protect the cell make more sense the earlier they're adopted: it's not about reversing damage that's already set in, but about reducing how much accumulates from the outset.

The two forms of Q10: ubiquinone and ubiquinol

If you're considering coenzyme Q10, it's worth knowing it exists in two forms. Ubiquinone is the oxidised form — the most common and affordable — which the body converts into the active form. Ubiquinol is the reduced, active form, ready to use, with superior bioavailability.

Which should you choose? It depends. In young, healthy people, the body converts ubiquinone into ubiquinol efficiently, so both forms work well. From a certain age onwards, or in people with reduced conversion capacity, direct ubiquinol may be more efficient. But beyond the form itself, there's a factor that research points to as decisive: absorption.

The real bottleneck: absorption

Coenzyme Q10 has a well-known problem: it's fat-soluble and difficult to absorb. It needs fat to be assimilated, has to be taken with meals, and even then a good deal of it is lost along the way. This is why many CoQ10 supplements deliver a lot less than their label promises — the issue isn't the dose, it's how much actually reaches the cells.

That's why the most relevant innovation in this field hasn't been raising the dose, but solving the absorption problem. And that's where our new product's approach comes in.

CavaQ10® + TetraSOD®: Q10 designed to be absorbed

At LifeXpan we've incorporated coenzyme Q10 in a form that solves precisely this bottleneck. CavaQ10® is the first water-soluble CoQ10: thanks to gamma-cyclodextrin technology, it dissolves in water and doesn't depend on dietary fat to be absorbed. This allows it to reach up to around 18 times the bioavailability of conventional CoQ10, and it can comfortably be taken on an empty stomach, with just a glass of water.

To this high-absorption CoQ10 we've added TetraSOD®, an extract from a marine microalga that provides superoxide dismutase — one of the body's own frontline antioxidant enzymes. The combination strengthens the two functions we've discussed: supporting energy production and reinforcing the cell's antioxidant defences.

And it fits naturally alongside the rest of an energy protocol: taken in the morning, together with Pure NR. While NR helps replenish NAD⁺ — the fuel — CoQ10 supports converting that potential into usable energy — the spark.

⚠️ An important note

Coenzyme Q10 is not a medicine and does not treat any disease, and it isn't the solution for everyone or for everything. If you take anticoagulants, blood pressure medication, or other drugs, or if you're pregnant or breastfeeding, consult your healthcare professional before supplementing. Food supplements do not replace a varied, balanced diet or a healthy lifestyle.

Conclusion: Q10 doesn't care about age

The idea that coenzyme Q10 is "only for older people" comes from a half-truth. Yes, its production falls with age — but it starts declining while you're still young, and its two essential functions, generating energy and protecting against free radicals, matter in every cell throughout life.

This doesn't mean everyone should take it, or that it's a miracle solution — it isn't. It means something more nuanced and more useful: if you're interested in looking after your cellular energy and oxidative balance, the relevant question isn't so much "am I old enough yet?" as "do my lifestyle and goals justify it?". And that's a conversation worth having at 35, at 50 and at 70.

⚡ LifeXpan® CavaQ10® + TetraSOD®

Scientific references

Hernández-Camacho, J.D. et al. (2018). Coenzyme Q10 Supplementation in Aging and Disease. Frontiers in Physiology, 9, 44.

Pravst, I. et al. (2020). Comparative Bioavailability of Different Coenzyme Q10 Formulations in Healthy Elderly Individuals. Nutrients, 12(3), 784.

Bhagavan, H.N. & Chopra, R.K. (2006). Coenzyme Q10: Absorption, tissue uptake, metabolism and pharmacokinetics. Free Radical Research, 40(5), 445–453.

Littarru, G.P. & Tiano, L. (2007). Bioenergetic and antioxidant properties of coenzyme Q10. Molecular Biotechnology, 37(1), 31–37.

Saini, R. (2011). Coenzyme Q10: The essential nutrient. Journal of Pharmacy and Bioallied Sciences, 3(3), 466–467.

How to choose a good omega 3: the guide that actually reads the label

2026-07-13T11:43:56.000Z

You go to the supermarket or the pharmacy, pick up a bottle of omega 3 with "1000 mg" written in big letters, and take it home thinking you've made a smart purchase. The problem is that number tells you almost nothing about what actually matters — and there's a good chance that product is poorly dosed, in a form your body absorbs badly and, in some cases, already oxidised before you even open it.

Omega 3 is one of the most scientifically backed supplements out there: it plays a role in cardiovascular, brain and joint health, and in regulating inflammation. But it's also one of the supplements where quality varies most from brand to brand. And that difference doesn't show up in the big number on the bottle — it shows up in the small print.

This is your guide to reading that small print like an expert. Five criteria that will help you tell a quality omega 3 from one that only looks like it.

🐟 Buying guide · 7 min read · Informational content

Criterion 1: look at the actual EPA and DHA, not the total milligrams

This is the most common mistake, and the most costly one. When a bottle says "1000 mg of fish oil", that figure refers to the total oil — not to the fatty acids that actually matter. What matters are EPA and DHA, the two active omega 3s.

Many mass-market products hide an inconvenient truth: of that 1000 mg of oil, only around 180 mg is EPA and 120 mg is DHA. The rest is other filler fats. To reach a useful dose you'd need to take several capsules, which means the "budget" bottle ends up being expensive after all.

What to look for: turn the bottle round and check the nutritional table. Look for the specific figures for EPA and DHA per capsule, not the total oil content. A good omega 3 states those amounts clearly. As a general reference, a maintenance intake is usually around 500 mg or more of combined EPA+DHA per day.

💡 In simple terms

If the label just says "omega 3" or "fish oil" without breaking down how much EPA and how much DHA it contains, be wary. It's like buying a juice labelled "with fruit" without saying what percentage. Transparency in the figures is the first sign of quality.

Criterion 2: form matters — triglyceride versus ethyl ester

Here's a criterion almost no one knows about, and it makes a huge difference to how much omega 3 your body actually makes use of. The omega 3 in supplements can come in two main forms: triglyceride (TG) —the natural form, as found in fish— or ethyl ester (EE) —a processed form that's cheaper to produce.

The difference is far from minor: studies show that the triglyceride form is absorbed considerably better than ethyl ester. What's more, ethyl ester is more prone to oxidation. The problem is that many manufacturers use ethyl ester precisely because it makes the product cheaper, and they don't always state this clearly.

What to look for: the label should say "triglyceride" or the letters "TG" (sometimes "rTG", re-esterified triglyceride, is also fine). If the form isn't specified, it's most likely ethyl ester — the less absorbable option.

Criterion 3: oxidation — the invisible problem

Omega 3 fatty acids are delicate: they oxidise easily when exposed to heat, light and oxygen. An oxidised —rancid— omega 3 doesn't just lose effectiveness, it can actually work against you. And what's most concerning is that a large share of the products on the market are already partly oxidised by the time they reach your hands.

The technical way to measure this is the TOTOX value (total oxidation). GOED, the leading international organisation for omega 3, sets a maximum limit of 26 — but the lower, the better. A premium product usually keeps values below 10.

What to look for: two things. First, that the manufacturer mentions oxidation controls or low TOTOX values. Second, a simple trick you can do at home: open a capsule and smell it. Fresh omega 3 has a mild, sea-like smell. If it gives off a strong, rancid or unpleasant fishy odour, it's oxidised. "Fishy burps", incidentally, aren't normal — they're usually a sign of low-quality or oxidised oil.

🔬 Key fact

A natural antioxidant such as vitamin E, added to the formula, helps protect the oil from oxidation and keep it fresh. Its presence on the label is a good sign that the manufacturer has taken product stability seriously.

Criterion 4: purity and independent certification

Fish accumulate contaminants from the sea in their fat: mercury, lead, dioxins, PCBs. A good fish oil goes through a molecular distillation process that removes these contaminants. A cheap, poorly purified oil can carry them straight into your capsule.

The way to make sure is to look for independent certification from an external laboratory that verifies what the manufacturer claims. The gold standard in omega 3 is the IFOS (International Fish Oil Standards) seal, which checks three things at once: that the EPA and DHA content matches the label, that there are no heavy metals or contaminants, and that oxidation levels are low. Other certifications such as GOED also provide reassurance.

What to look for: the IFOS seal or an equivalent on the packaging. An independent certification is the difference between "take our word for it" and "a third party has verified it".

Criterion 5: the source of the fish

Not all fish are equally good sources of omega 3, nor are they all caught in an equally sustainable way. Small, short-lived fish — anchovy, sardine, mackerel — accumulate fewer contaminants than large predators, and tend to offer an excellent concentration of omega 3.

Peruvian anchovy, in particular, is recognised for having one of the highest concentrations of EPA and DHA of any fish, and its fishing in Peru is regulated with sustainability criteria in mind. A source like this is a good indicator of quality.

What to look for: the label stating the source of the fish. Terms such as "anchovy", "sardine", or sustainable fishing certifications (MSC, Friend of the Sea) are positive signs.

✨ The quick checklist before you buy

1. Does it state EPA and DHA separately and in sufficient amounts? · 2. Is it in triglyceride (TG) form? · 3. Does it mention oxidation controls or contain vitamin E? · 4. Does it carry the IFOS seal or another independent certification? · 5. Does it state the source of the fish? · If it ticks all five boxes, you're holding a quality omega 3.

How LifeXpan's Ultra Pure Omega 3 meets these criteria

Here it is in a minute

When we added Ultra Pure Omega 3 to LifeXpan

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With these five criteria in hand, it's easy to assess any omega 3 on the market — including ours. We designed Ultra Pure Omega 3 to meet every single one of them:

EPA and DHA stated and concentrated: 35% EPA and 25% DHA, with amounts stated transparently. Triglyceride form (TG): the natural form, with maximum bioavailability. Protection against oxidation: enriched with natural vitamin E. IFOS certification: the reference seal that independently verifies purity, content and freshness. Quality source: Peruvian anchovy oil, sustainably caught, one of the most concentrated sources of omega 3 there is.

We're not saying this to convince you it's the only good one out there — we're saying it so you can see that a quality omega 3 isn't a matter of marketing, but of meeting verifiable criteria. Now that you know what they are, you can judge any product in front of you for yourself.

🐟 LifeXpan® IFOS® Ultra Pure Omega 3

Peruvian anchovy oil, IFOS® certified, with 35% EPA and 25% DHA in highly bioavailable triglyceride form and natural vitamin E as an antioxidant. Purity, concentration and freshness independently verified.

Scientific references

Dyerberg, J. et al. (2010). Bioavailability of marine n-3 fatty acid formulations. Prostaglandins, Leukotrienes and Essential Fatty Acids, 83(3), 137–141.

GOED (2024). Voluntary Monograph: standards for EPA and DHA omega-3 products. Global Organization for EPA and DHA Omega-3s.

Albert, B.B. et al. (2015). Fish oil supplements in New Zealand are highly oxidised and do not meet label content of n-3 PUFA. Scientific Reports, 5, 7928.

NIH Office of Dietary Supplements (2024). Omega-3 Fatty Acids: Fact Sheet for Health Professionals. ods.od.nih.gov

Ghasemifard, S. et al. (2014). Omega-3 long chain fatty acid bioavailability: a review of evidence and methodological considerations. Progress in Lipid Research, 56, 92–108.

Informational content. Food supplements are not a substitute for a varied and balanced diet. If you take anticoagulants or have any medical condition, consult your healthcare professional before supplementing with omega 3.

Magnesium: why the form matters more than the dose

2026-07-02T05:57:21.000Z

You pick up two tubs of magnesium. Both say "300 mg" on the label. They look the same — and cost roughly the same. But inside your body, they behave in completely different ways: one might be absorbed well and agree with you beautifully, while the other is barely used at all and sends you running to the bathroom.

The difference isn't in the dose. It's in the form. And it's probably the factor most people overlook when choosing a magnesium supplement. In this article, we'll explain the three most common forms — oxide, citrate and bisglycinate — why they behave so differently, and how to choose the one that really suits what you're looking for.

🔩 Minerals & Bioavailability · 6 min read · General information

Why magnesium matters so much

Before we talk about forms, it's worth remembering why this mineral is so important. Magnesium is involved in more than 300 enzymatic reactions in the body: it plays a role in energy production (ATP synthesis), muscle and nerve function, regulation of the nervous system, and the quality of your rest.

The problem is that a significant part of the population doesn't reach optimal levels through diet alone. Food processing, soil depletion and today's eating habits have all reduced our intake. That's why supplementing has become so common — but supplementing well starts with understanding that not all magnesiums are equal.

💡 In simple terms

The number you see on the label — the milligrams — tells you how much magnesium is in the capsule. But it doesn't tell you how much of that magnesium will actually reach your cells. And that second figure, the one that never appears on the tub, depends entirely on the form.

The key point almost nobody looks at: elemental magnesium and bioavailability

There are two concepts worth telling apart. Elemental magnesium is the actual amount of magnesium the compound provides — because magnesium never travels alone, it's always bound to another molecule (oxide, citrate, glycine…). And bioavailability is the percentage of that magnesium your body actually manages to absorb and use.

Here's the paradox that explains it all: some forms contain a lot of elemental magnesium but are poorly absorbed, while others contain somewhat less but are put to much better use. A label with a high figure can end up delivering less than one with a more modest figure. That's why dose, on its own, can be misleading.

The three most common forms, compared

Magnesium oxide: a lot on the label, little in the cell

This is the cheapest and most common form found in mass-market supplements. Its apparent advantage is that it contains a very high proportion of elemental magnesium. The problem is its bioavailability: magnesium oxide is practically insoluble in water, and studies show it's absorbed far less well than chelated forms. A good portion of the mineral is never assimilated and simply passes through the gut, which also explains its well-known laxative effect. It can be useful occasionally for constipation, but it's not very efficient if what you're after is topping up your magnesium levels.

Magnesium citrate: the middle ground

Citrate is magnesium bound to citric acid. It's water-soluble and its bioavailability is clearly higher than that of oxide — the research confirms this consistently. It's a solid middle-of-the-road option: it's well absorbed and reasonably priced. The catch is that, due to its osmotic nature — it draws water into the gut — at high doses it can have a mild laxative effect. For many people it's a perfectly valid form; for those with a sensitive gut, it can be somewhat stimulating.

Magnesium bisglycinate: the gentlest and most bioavailable form

Bisglycinate — also known as glycinate — is chelated magnesium, meaning it's bound to two molecules of the amino acid glycine. This structure gives it two notable advantages. The first is its high bioavailability: glycine protects the magnesium from competing with other minerals for absorption and allows it to cross the intestinal wall efficiently, without relying on an osmotic effect. The second is its digestive tolerance: because it's absorbed so well, very little unassimilated magnesium reaches the colon, so it rarely causes discomfort or a laxative effect. It's the form usually recommended for those looking to restore levels steadily without digestive issues.

And there's an interesting detail: the glycine itself, to which the magnesium is bound, is an amino acid with a calming role, a precursor to neurotransmitters linked to relaxation. That's why bisglycinate has a reputation as the "gentle" magnesium — it's associated with rest and muscle relaxation, and it's the one many people choose for the evening.

Form	Absorption	Best for
Oxide	Low	Occasional relief from constipation
Citrate	Medium-high	General intake, a balanced option
Bisglycinate	High	Sustained replenishment, rest, sensitive gut

🔬 Key fact

Comparative studies between chelated forms (such as bisglycinate) and inorganic salts (such as oxide) consistently show that chelated forms raise blood magnesium more efficiently and with far less digestive discomfort. It's not a marketing claim — it's a difference in chemical structure that changes how your body processes it.

So, which one should I choose?

The honest answer is that it depends on what you're using it for — but for the most common goal, restoring magnesium levels steadily and without discomfort, bisglycinate is the most complete option.

If you want to restore your levels and support rest: choose bisglycinate. High absorption, gentle on the stomach, and with the added benefit of glycine for relaxation. It's the ideal form to take in the evening on an ongoing basis.

If you want a general intake with a good price-to-absorption balance: citrate is a reasonable option, provided your gut tolerates it well.

If you're only looking to relieve occasional constipation: oxide serves that specific purpose — but don't choose it thinking it will replenish your magnesium, as it's inefficient for that.

✨ The key idea

Don't just look at the milligrams. Look at the form. A well-absorbed 200 mg bisglycinate can give you more real magnesium than a 400 mg oxide that you barely assimilate. The label that looks "stronger" isn't always the better choice.

When and how to take it

For most people, the best time to take bisglycinate is in the evening, as it supports relaxation and rest. It can be taken with or without food, though taking it with a small meal may improve tolerance even further. And, as with any supplement, consistency matters more than a single dose: restoring magnesium levels is a process that takes weeks, not days.

If you take other supplements as part of a longevity routine, magnesium fits naturally into the evening block — while energy-focused supplements, such as NR or coenzyme Q10, make more sense in the morning.

⚠️ An important note

If you have kidney problems, take medication regularly, or are pregnant or breastfeeding, consult your healthcare professional before supplementing with magnesium. Food supplements should not be used as a substitute for a varied and balanced diet.

Conclusion

Magnesium is one of the most valuable minerals for energy, muscle function, the nervous system and rest — but it's no use taking it if your body barely absorbs it. The form isn't a technical detail: it's what determines whether that supplement actually does its job or simply passes through.

Next time you choose a magnesium supplement, turn the bottle around and look at the form before the dose. It's the simplest thing you can do — and it makes the biggest difference.

🔩 LifeXpan® Magnesium Bisglycinate

Highly bioavailable chelated magnesium, gentle on the digestive system, with the added benefit of glycine to support relaxation and rest. The most complete form for restoring your magnesium levels steadily.

Scientific references

Firoz, M. & Graber, M. (2001). Bioavailability of US commercial magnesium preparations. Magnesium Research, 14(4), 257–262.

Lindberg, J.S. et al. (1990). Magnesium bioavailability from magnesium citrate and magnesium oxide. Journal of the American College of Nutrition, 9(1), 48–55.

Schuchardt, J.P. & Hahn, A. (2017). Intestinal Absorption and Factors Influencing Bioavailability of Magnesium. Current Nutrition & Food Science, 13(4), 260–278.

NIH Office of Dietary Supplements (2024). Magnesium: Fact Sheet for Health Professionals. ods.od.nih.gov

de Baaij, J.H.F. et al. (2015). Magnesium in man: implications for health and disease. Physiological Reviews, 95(1), 1–46.

CoQ10 and NR: how to build your morning cellular energy routine

2026-06-24T15:23:51.000Z

If you already take NR every morning, you've taken the first step of a cellular energy protocol. But the NAD+ that NR helps raise is only part of the story. There are two other pieces that work along the same chain — energy production and antioxidant defence — and that fit naturally into that same moment of the day.

With the arrival of the new CavaQ10® + TetraSOD® from LifeXpan, a practical question comes up that deserves a clear answer: how do you combine these supplements day to day, without overcomplicating things and getting the most out of what each one offers? That's what we're going to look at here — not the theory, but the routine.

⚡ Cellular Energy & Routine · 6 min read · Educational information

The three pieces of cellular energy

Before talking about the routine, it helps to understand what each piece does, because that explains why they're taken together. The simplest way to see it is with a metaphor: that of an engine.

NR is the fuel. It's a precursor of NAD+, the coenzyme your cells need to produce energy and activate cellular maintenance processes. Without enough NAD+, the engine has nothing to run on.

Coenzyme Q10 is the spark. It takes part in the electron transport chain, the process by which mitochondria convert that fuel into ATP — the energy every cell in your body uses to function.

And SOD (superoxide dismutase), which TetraSOD® provides, is the protection system. It plays a part in regulating the antioxidant defences your own body produces, helping to manage the oxidative stress generated by cellular activity.

💡 In simple terms

NR provides the fuel. CoQ10 makes the spark. TetraSOD® switches on and protects the machinery. They don't simply add up — they act on different links of the same chain, so it makes sense to think of them as a set, not as separate supplements.

The classic CoQ10 problem — and why this one changes the routine

Here's the practical detail that most affects your day-to-day. Traditional coenzyme Q10 — ubiquinone and ubiquinol — is fat-soluble: it needs fat to be absorbed. That's why it's always been recommended to take it with a meal containing fat, usually lunch or dinner. In practice, that set it apart from the moment when many people take the rest of their longevity supplements: the morning.

CavaQ10® changes this because it's the only water-soluble form of CoQ10. By forming a complex with gamma-cyclodextrin — a patented WACKER technology — it becomes water-soluble and is absorbed without depending on dietary fat. What does this mean for your routine? That you can take it on an empty stomach, with a simple glass of water, at the same time as your NR. No more waiting for a meal or remembering to take it separately.

🔬 Key fact

Thanks to the gamma-cyclodextrin complex, CavaQ10® reaches up to ~18× the bioavailability of conventional CoQ10. In practical terms: 100 mg delivers the equivalent of around 1,800 mg of standard ubiquinone — with no need to take it with fat.

The routine, step by step

With that clear, putting the routine together is simple. The idea is to bring the three pieces together in a single morning habit, easy to keep up over time — because consistency is what really matters in any longevity protocol.

In the morning, on an empty stomach, with a glass of water:

1. NR. One capsule in the morning. This is the point, according to the circadian rhythm of NAD+, when the body makes the best use of the precursor.

2. CavaQ10® + TetraSOD®. One capsule a day, also in the morning and with water. Being water-soluble, it doesn't need food or fat — it can be taken alongside NR without any issue.

And that's it. Two capsules, a glass of water, a single moment of the day. Simplicity isn't a minor detail: a protocol that's hard to keep up ends up being abandoned, while one that fits effortlessly into a routine you already have — getting up, drinking water — is the one that lasts.

✨ The key

The best protocol isn't the most complex one, but the one you actually follow every day. Concentrating your cellular energy supplements into a single morning routine multiplies the odds that you'll stick with it long term — which is when these processes actually make a difference.

Why morning and not evening

There's a logic behind concentrating these supplements in the morning. NAD+ follows a circadian rhythm and tends to be more active during waking hours, when the body is in energy-production mode. Taking the precursor first thing supports that natural cycle.

What's more, these are supplements geared towards energy. Just as you wouldn't have a coffee at midnight, concentrating support for ATP production in the first half of the day makes more sense than doing so before bed, when the body is preparing for rest and repair. Other nutrients — magnesium, for example — are better suited to the evening, as their role fits more naturally with sleep.

How it fits into a wider protocol

If you want to build a fuller longevity routine, this morning cellular energy base sits well alongside other nutrients spread throughout the day. A sensible way to organise it:

Morning (energy): NR + CavaQ10® + TetraSOD®, on an empty stomach with water. The energy-production and antioxidant-defence block.

With meals (structural support): omega 3, which is fat-soluble and is better absorbed alongside the fat in a meal. A good moment for nutrients that go hand in hand with food.

Evening (rest and repair): magnesium bisglycinate, whose role in muscle relaxation and sleep fits naturally with the end of the day.

You don't need to take everything at once, nor build a complex protocol from day one. It makes sense to start with the base — morning energy — and add pieces as your goals and pace allow.

⚠️ An important note

If you take regular medication — especially anticoagulants — or are pregnant or breastfeeding, consult your healthcare professional before starting any supplementation. And remember: food supplements are not a substitute for a varied, balanced diet and a healthy lifestyle. They're a support, not a shortcut.

The synergy, in one sentence

If we had to sum up why these pieces work better together than apart: each one acts on a different link in the same cellular energy chain. NR replenishes the NAD+ that declines with age. CoQ10 supports the step where that potential is converted into usable ATP. And TetraSOD® helps protect all that machinery from the oxidative stress that metabolism itself generates.

It's not about taking more supplements, but about covering the whole chain rather than a single point. And thanks to CoQ10 now being water-soluble, doing so is as simple as adding one capsule to a routine you probably already have.

⚡ CavaQ10® + TetraSOD® by LifeXpan®

The only water-soluble CoQ10 on the market — up to 18× more bioavailable and suitable to take on an empty stomach — with TetraSOD®, the antioxidant enzyme of marine origin. Mitochondrial energy and antioxidant defence in a single daily capsule. Designed to be taken alongside NR PURE in the morning.

CavaQ10® and gamma-cyclodextrin technology are brands and technology of WACKER Chemie AG, used under licence. TetraSOD® is a registered trademark of Fitoplancton Marino, S.L., used under licence.

Educational information about ingredient mechanisms. This does not constitute an authorised health claim. Food supplements should not be used as a substitute for a varied and balanced diet.

Chronic tendinopathy: how to support recovery with exercise and nutrition

2026-06-09T08:30:45.000Z

A tendinopathy that drags on for months is one of the most frustrating injuries there is. The pain comes and goes, mobility suffers, and the feeling that "it just won't heal" can chip away at your motivation. The shoulder is one of the most common sites, especially in people who repeat certain movements or who are past their 40s.

The good news is that science has made great strides in understanding how a tendon recovers. Two ideas have become well established: first, that complete rest is rarely the solution — the tendon needs progressive, well-dosed loading in order to regenerate. Second, that nutrition plays a more relevant supporting role than once thought, especially nutrients involved in collagen synthesis.

In this article we go over what the evidence says about both fronts — therapeutic exercise and nutritional support — always as general information that you should adapt with the help of a professional.

💪 Recovery & Movement · 8 min read · Informative content

What is tendinopathy and why does it become chronic

A tendon is the tissue that connects muscle to bone and transmits the force needed to move a joint. It's made up mostly of collagen — mainly type I — produced by cells called tenocytes.

When a tendon is subjected to more load than it can tolerate, or to a repetitive movement over a long period, tendinopathy develops: a condition that combines inflammation, oxidative stress and disorganised remodelling of the collagen matrix. If the process continues over time — we're talking months — it can progress to tendinosis, a degeneration of the tissue in which the collagen fibres become disorganised and the tendon loses quality and strength.

Understanding this is key, because it changes the approach: recovering a chronic tendon isn't about "waiting for the inflammation to go down", but about stimulating the tendon so it rebuilds and reorganises its collagen. And that's where exercise and nutrition come into play.

⚠️ The first step is always diagnosis

Before starting any routine or supplement, a professional needs to assess exactly what's going on. A tendinopathy is not the same as a tear, bursitis or impingement — and the treatment differs in each case. For a shoulder that's been painful for months, an ultrasound scan can clarify whether the tendon is degenerated but intact, or whether there's an injury requiring a different approach. This article cannot replace that assessment.

Therapeutic exercise: the cornerstone of recovery

The evidence is consistent: progressive, well-structured exercise is the intervention with the strongest backing for tendinopathy. The idea is to apply a controlled load to the tendon that stimulates the tenocytes to reorganise collagen, starting very gently and increasing the demand as pain allows.

Below we describe, in a general and informative way, the type of exercises that are often part of shoulder rehabilitation programmes. This is not a personalised plan: the selection, sets and progression should be tailored to your specific case under the guidance of a physiotherapist. We've included reference video titles so you can see the correct execution — always look for professional sources and, if in doubt, ask your physio.

Initial phase: reducing pain and restoring mobility

Pendulum exercises (Codman's). Gentle swinging movements of the arm, using gravity, that help reduce stiffness and pain without loading the tendon. These are usually among the first exercises introduced.

Reference video: "Codman exercises" / "Pendulum exercises for shoulder pain and rehabilitation"

Isometric external rotation exercises. Muscle contractions without joint movement, which allow the tendon to be activated safely and often help modulate pain.

Reference video: "Isometric shoulder external rotation with resistance band"

Scapular retraction. An exercise aimed at improving the stability of the shoulder blade, a key element in healthy shoulder function.

Progression phase: building strength (when pain allows)

External rotation with resistance band. A progression from the isometric exercise, now involving movement and resistance, to start strengthening the tendon dynamically.

Band face pull. An exercise that works the posterior shoulder and scapular muscles, useful for balancing the joint.

Full rotator cuff work. Once the load is tolerated, comprehensive rotator cuff strengthening is usually the mid-term goal, typically about two or three times a week.

💡 In simple terms

The tendon heals by moving, not by resting — but with just the right load. Too little and there's no stimulus to regenerate; too much and it becomes more irritated. Finding that middle ground is precisely the job of a physiotherapist, and the reason a personalised plan always beats any generic routine found online.

Nutritional support: what the science says

Nutrition alone doesn't heal a tendon, but it can help create the conditions for the repair process — driven by exercise — to work better. These are the nutrients with the most support in the literature on tendon health. The amounts mentioned are typical ranges used in studies, for informational purposes only; the specific approach should be personalised by a professional.

Hydrolysed collagen

This is the nutrient with the most interesting evidence. A 2025 systematic review found solid evidence that collagen peptide supplementation, combined with strength exercise, could increase tendon cross-sectional area and stiffness. The most relevant detail is the timing of intake: studies suggest that taking it 30 to 60 minutes before rehabilitation exercise could favour its uptake by the tissue, since exercise increases the flow of amino acids to the tendon. The studied ranges are usually around 10-15 g daily.

It's worth being honest about the nuance: the evidence on tendon structure is promising, but the clinical outcomes — pain, function — are more variable, and collagen acts as a support to exercise, never as a substitute.

Vitamin C

Vitamin C is an essential cofactor in collagen synthesis: without it, tenocytes cannot properly stabilise the collagen triple helix. A review on vitamin C and tendinopathy concluded that its supplementation, alone or combined with other compounds, could be useful as a support for recovery by favouring collagen synthesis and providing antioxidant action. It is often combined with collagen precisely for this synergy, in typical ranges of 500-1,000 mg daily.

Omega 3 (EPA and DHA)

Omega 3 fatty acids are known for their role in regulating the inflammatory response. In the context of tendinopathy, where low-grade inflammation and oxidative stress are part of the problem, omega 3 could help modulate that environment. Studies usually work with doses of around 1-2 g daily of combined EPA+DHA.

Magnesium, NAC and NR: supporting the cellular environment

Other nutrients can contribute to the environment in which the tendon repairs itself. Magnesium plays a part in muscle function and hundreds of enzymatic reactions, and is usually taken at night. NAC, a precursor to glutathione, provides antioxidant support. And NR, a precursor to NAD+, is involved in cellular energy metabolism. Their role here is general support for the body during a recovery process, not a specific effect on the tendon demonstrated on a large scale.

⚠️ About doses and combining supplements

The ranges mentioned in this article come from studies and are cited for informational purposes only. They do not constitute a personalised regimen. Combining several supplements, possible interactions with medication, and suitability according to your health status are matters that should be assessed by a doctor or pharmacist. Omega 3 and other supplements require supervision, especially if you take blood thinners.

A sensible roadmap for chronic tendinopathy

If we had to sum up the approach that the evidence supports for a tendon that's been causing trouble for months, it would go something like this:

First, diagnosis. See a professional and, if they consider it appropriate, get an imaging test. Knowing exactly what you're dealing with is what determines everything else.

Second, guided exercise. A progressive rehabilitation programme, ideally supervised by a physiotherapist, carried out consistently. It's the engine of recovery.

Third, nutritional support. Within that framework, nutrients involved in collagen synthesis and inflammation regulation can support the process.

Fourth, patience and consistency. A chronic tendon doesn't recover in weeks. Collagen remodelling processes take months. Regularity matters more than intensity.

Fifth, reassess. If there's no improvement after a reasonable period, go back to the professional. In some cases of a degenerated but not torn tendon, the sports medicine doctor may consider other options. That decision is strictly a medical one.

✨ The bottom line

Tendon recovery is a team effort between the right stimulus — exercise — and the right conditions — nutrition, rest and time. No supplement replaces well-guided movement, and no exercise makes up for the wrong diagnosis. That's why the healthcare professional is always the starting point.

Conclusion

A chronic tendinopathy tests your patience, but understanding how a tendon actually recovers changes the way you approach it. Progressive exercise is the cornerstone; nutrition is a support with growing scientific backing; and professional assessment is the non-negotiable starting point.

At LifeXpan, we work with nutrients involved in these processes — collagen, vitamin C, omega 3, magnesium — in the belief that their place is within a comprehensive plan, alongside physiotherapy work and medical guidance, never in their place.

💪 LifeXpan® supporting nutrients

Ultra Pure Omega 3, Magnesium Bisglycinate, NAC and Pure NR — nutrients involved in inflammation regulation, antioxidant support and cellular metabolism. As a complement to a recovery plan supervised by a professional.

🔩 Hydrolysed collagen

🐟 Ultra Pure Omega 3 ·

🔩 Magnesium Bisglycinate ·

🛡️ NAC · ⚡ Pure NR

Important notice: This article is intended solely for informational and educational purposes. It does not constitute medical advice and does not replace assessment by a healthcare professional. If you have a tendinopathy or any persistent pain, consult a doctor or physiotherapist before starting any exercise or supplementation routine. Each case is different, and only an individual assessment — ideally including an imaging test such as an ultrasound — can determine what's right for you.

Scientific references

Buell, J.L. et al. (2025). Collagen Supplementation on Tendon-Related Structural and Performance Outcomes: A Systematic Review. Journal of Functional Morphology and Kinesiology, 11(1), 130.

Bischof, K. et al. (2024). Impact of Collagen Peptide Supplementation in Combination with Long-Term Physical Training. Sports Medicine, 54(11), 2865–2888.

Marzagalli, P. et al. (2024). Anti-Inflammatory and Antioxidant Properties of a Mixture of Vitamin C, Collagen Peptides, Resveratrol and Astaxanthin in Tenocytes. Mediators of Inflammation, 2024, 5273198.

Review on vitamin C and tendinopathy recovery (2022). Nutrients / PMC9267994.

Praet, S.F.E. et al. (2019). Oral Supplementation of Specific Collagen Peptides Combined with Calf-Strengthening Exercises Enhances Function in Achilles Tendinopathy. Nutrients.

This content does not replace consultation with a healthcare professional. If you have any persistent pain, see your doctor or physiotherapist.

NR and cardiovascular health: what science says about NAD+ and your arteries

2026-06-02T19:09:59.000Z

There's a shift that happens in the body from around age 50 that almost nobody notices until it shows up in a blood test: the arteries become stiffer. And with that stiffness, blood pressure — especially the systolic figure, the top number — tends to creep up quietly.

This is no small matter. Arterial stiffness and elevated systolic blood pressure are two of the main age-related cardiovascular risk factors. And while exercise and diet remain the most solid tools for addressing them, longevity science has spent years exploring whether certain compounds might offer additional support.

One of those compounds is Nicotinamide Riboside (NR) — the NAD+ precursor that LifeXpan offers in its purest form. In this article, we look at what a pioneering study from the University of Colorado found about its relationship with arterial health, with the honesty to distinguish between what the science suggests and what is still to be confirmed.

❤️ Longevity & Cardiovascular Health · 6 min read · Backed by science

Why your arteries age — and why it matters

Healthy arteries are flexible. They expand and contract with every heartbeat, absorbing the force of circulating blood and keeping pressure within a healthy range. But with age, that flexibility is lost. Arterial walls become stiffer due to the build-up of oxidative stress, low-grade inflammation and changes in vascular smooth muscle tone.

That stiffness has a direct consequence: the heart has to work harder to pump blood, and systolic pressure rises. It's one of the mechanisms linking ageing to the risk of cardiovascular events — heart attacks, strokes and other conditions that remain the leading cause of death worldwide.

So where does NAD+ come into this story? NAD+ (nicotinamide adenine dinucleotide) is a central molecule in energy metabolism and cellular function. Its levels decline with age and chronic illness. And since the cells that keep arteries healthy also depend on NAD+ to function, researchers asked a logical question: could restoring NAD+ help improve vascular health?

💡 In simple terms

Picture a brand-new garden hose: flexible, easy to bend. Over the years, the rubber hardens and becomes brittle. Your arteries do something similar. And when a stiff hose receives the same water pressure, that pressure is transmitted with more force. That's essentially what happens to systolic pressure as we age.

The Colorado study: the first of its kind

In 2018, a team from the University of Colorado Boulder, led by Professor Douglas Seals and researcher Christopher Martens, published a study in Nature Communications that marked a starting point in this field. It was the first clinical trial to administer NR to humans over a sustained period to study its effects.

The design was rigorous: a randomised, double-blind, placebo-controlled, crossover trial in healthy middle-aged and older adults aged between 55 and 79. Participants took 500 mg of NR twice a day — 1,000 mg daily in total — for six weeks.

The main finding was clear and robust: NR supplementation raised blood NAD+ levels by approximately 60%. This confirmed for the first time in humans that NR is an effective and well-tolerated strategy for raising NAD+ — the central goal of any protocol based on this compound.

Study parameter	Detail
Design	Randomised, double-blind, placebo-controlled, crossover
Participants	Healthy adults aged 55 to 79
Dose	1,000 mg of NR daily for 6 weeks
Main result	~60% increase in blood NAD+
Secondary result	Preliminary signals on blood pressure and aortic stiffness

The cardiovascular angle: promising but preliminary

This is where it's worth being precise, because it's easy to overstate what the study found. Alongside the main finding on NAD+, the researchers observed preliminary data on cardiovascular health that point in a promising direction — but which are not conclusive.

In the subgroup of 13 participants who started out with elevated blood pressure or stage 1 hypertension, systolic pressure was roughly 10 points lower following NR supplementation. That's an interesting signal. But the authors themselves were very cautious in interpreting it.

As Dr Martens explained, this was a small, pilot-scale study, and it doesn't allow for definitive claims about the compound's efficacy for specific population segments. Professor Seals framed it with equal caution: they noted that if this magnitude of systolic pressure reduction were confirmed in a larger clinical trial, the biomedical implications could be significant — but that confirmation doesn't yet exist.

🔬 Key fact

The team itself described these cardiovascular findings as "a good starting point for future work", not as a settled conclusion. They proposed NR as a possible additional option — alongside the diet and exercise already recommended — for people whose blood pressure isn't yet high enough to require medication, but who remain at risk. The key word is "possible".

The mechanism: why it makes biological sense

Even though the clinical evidence is preliminary, the biological reasoning behind the hypothesis is solid. The Colorado study described something fascinating: NR appears to mimic some of the effects of calorie restriction — one of the most scientifically supported interventions for longevity — by activating the same metabolic pathways responsible for its benefits.

NAD+ is required for the activity of sirtuins, the proteins that regulate the cellular stress response and tissue repair. In the vascular context, adequate NAD+ levels could help reduce oxidative stress and improve the bioavailability of nitric oxide — the molecule that allows arteries to relax and dilate. Better nitric oxide function translates into more flexible arteries and, potentially, better-controlled blood pressure.

It's important to understand that this mechanism explains why the hypothesis is reasonable, not that it has been proven in humans on a large scale. The biology suggests a plausible pathway. Large clinical trials still need to confirm it.

What has happened since

The 2018 study opened up a line of research that remains active. The same researchers, along with other teams, have continued exploring the relationship between NR, NAD+ and cardiovascular health in subsequent trials.

The overall conclusion from this more recent research is nuanced: NR is consistently effective and safe at raising NAD+ levels, but its direct cardiovascular effects are more variable and depend on factors such as the population studied, the duration of treatment, and whether it's combined with other interventions. Some studies have found positive signals in markers of arterial stiffness; others have found no significant effects on blood pressure. This is exactly the kind of mixed picture you'd expect in a young, evolving field of research.

What this means in practice matters: NR is not a medication for hypertension and shouldn't be used as one. It's a supplement that reliably raises NAD+ — with everything that implies for cellular energy metabolism — and whose cardiovascular potential is still being studied.

✨ The honest perspective

NR won't replace exercise, diet, or medication prescribed by your doctor. What the science suggests is that, as part of a healthy lifestyle, restoring NAD+ levels could provide additional support for vascular health. It's one more piece of the longevity puzzle — not the complete solution.

What you can do today for your arterial health

Beyond supplementation, these are the pillars with the strongest evidence for keeping arteries young — and any NAD+ based strategy should always be combined with them:

Regular aerobic exercise. Brisk walking, swimming or cycling improves nitric oxide function and reduces arterial stiffness. It's by far the most effective non-pharmacological intervention for vascular health. No molecule can replace it.

Reducing oxidative stress. A diet rich in polyphenols — extra virgin olive oil, berries, leafy green vegetables — and low in ultra-processed foods protects the endothelium, the inner lining of the arteries.

Controlling salt and alcohol. Two of the factors with the most direct and rapid impact on blood pressure. Small adjustments produce measurable changes within a few weeks.

Restoring NAD+. Within that framework of healthy habits, maintaining adequate NAD+ levels through a precursor such as NR is a strategy with solid biological grounding and a well-documented safety profile.

Conclusion: honest science

The relationship between NR and cardiovascular health is one of the most interesting — and most misunderstood — fields in longevity science. The truth is nuanced: NR reliably and safely raises NAD+, and preliminary data on its effect on blood pressure and arterial stiffness are promising, especially in people with elevated blood pressure. But they are preliminary. Large-scale confirmation is still on its way.

At LifeXpan, we believe the best way to talk about longevity is with rigour: neither downplaying the potential of a compound with genuine scientific grounding, nor overstating what the evidence doesn't yet support. NR is a valuable tool for restoring the NAD+ your body loses with age. Its role in cardiovascular health is a promise that science is still investigating — and one well worth following closely.

❤️ LifeXpan® Pure NR

The most scientifically backed NAD+ precursor, in its purest form. 300 mg of pure NR powder per capsule, pharmaceutical grade. The most direct way to restore the NAD+ your body loses with age.

Scientific references

Martens, C.R. et al. (2018). Chronic nicotinamide riboside supplementation is well-tolerated and elevates NAD+ in healthy middle-aged and older adults. Nature Communications, 9, 1286.

Freeberg, K.A. et al. (2022). Nicotinamide riboside supplementation for treating elevated systolic blood pressure and arterial stiffness in midlife and older adults. Frontiers in Cardiovascular Medicine, 9, 881703.

Lin, Y. et al. (2025). Nicotinamide riboside combined with exercise to treat hypertension in middle-aged and older adults: a pilot randomized clinical trial. GeroScience, 47(6), 6895–6908.

Rajman, L. et al. (2018). Therapeutic potential of NAD-boosting molecules. Cell Metabolism, 27(3), 529–547.

LifeXpan Optimal: what it adds if you already take vitamin C, D, NR, omega 3 and magnesium

2026-05-25T06:55:49.000Z

If you're already taking vitamin C, vitamin D with K2, NR, omega 3 and magnesium, you already have a supplementation protocol more solid than 95% of the population. You know the mechanisms, you understand the synergy between molecules and you know why each one is there.

Then someone comes along and asks: so what do you need Optimal for?

It's a completely fair question. And it deserves an honest answer — not a marketing one. Because the answer isn't "you need it for everything". The answer is more precise than that: Optimal covers the nutritional foundation that your longevity supplements assume you already have. And that you probably don't.

🧬 Smart supplementation · 6 min read · Backed by science

The advanced protocol has a blind spot

Longevity supplements — NR, NAC, curcumin, omega 3, collagen — are designed to act on specific biological mechanisms: NAD+ production, autophagy, chronic inflammation, mitochondrial health. They're molecules with a concrete, well-documented mechanism of action.

But all these mechanisms have one thing in common: they need cofactors to work. B vitamins for energy metabolism. Zinc for protein synthesis and immune function. Selenium for the antioxidant activity of glutathione peroxidase. Vitamin E to protect cell membranes from lipid oxidative damage. Iron for oxygen transport to tissues.

Without those cofactors at adequate levels, longevity supplements are working in a nutritionally deficient environment. It's like having a high-performance engine running on low-grade fuel.

💡 In simple terms

NR raises NAD+. But for that NAD+ to be used in the right metabolic reactions, the enzymes that process it need B vitamins as cofactors. Without them, the process is less efficient. The multivitamin doesn't compete with NR — it creates the environment in which NR can do its job.

What your protocol already covers — and what it doesn't

Let's be very precise. If you take vitamin C, D+K2, NR, omega 3 and magnesium bisglycinate, here's what you already have covered in Optimal:

Nutrient	Already covered?	Note
Vitamin C	✓ Covered	The dose in Optimal is moderate — no problematic overlap
Vitamin D3	✓ Covered	You're taking it with K2 — an advantage over Optimal, which doesn't include K2
Magnesium	✓ Covered	You're taking bisglycinate — a more bioavailable form than the oxide in Optimal
Vitamin B3 (nicotinamide)	≈ Partially	NR is a NAD+ precursor, not a direct equivalent to the B3 in Optimal

And here's what Optimal adds to your protocol that you don't currently have:

Nutrient	What it's for
B complex (B1, B2, B5, B6, B9, B12)	Energy metabolism, nervous system, cardiovascular health, neurotransmitter synthesis
Vitamin A	Eye health, immune function, mucous membrane integrity
Vitamin E	Lipid antioxidant that protects cell membranes — especially mitochondrial ones
Zinc	Immunity, protein synthesis, hormone balance, over 300 enzymatic reactions
Selenium	Glutathione peroxidase activity, thyroid function, antioxidant defence
Iron	Oxygen transport, energy production, cognitive function
Iodine, copper, manganese, chromium	Essential enzymatic cofactors for metabolism, thyroid function and blood sugar regulation

The invisible problem: subclinical deficiency

There's a concept that conventional medicine is slow to recognise but that precision nutrition has been documenting for years: subclinical deficiency. This is the deficiency that doesn't show up on a standard blood test but that does affect metabolic performance — because levels are sufficient to avoid the classic deficiency disease, but insufficient for optimal function.

This is the most common scenario in the Western population with an apparently adequate diet. They eat well, have no obvious symptoms, but their zinc, selenium or B-vitamin levels sit at the lower end of the normal range. And within that range, the enzymes that depend on these cofactors are running at half capacity.

🔬 Key fact

83% of the Spanish adult population doesn't reach recommended zinc levels, according to SEGO data. Over 30% of the world's population has a zinc deficiency, and around 15% a selenium deficiency. These aren't exotic nutrients — they're essential minerals that the modern diet systematically fails to provide in sufficient amounts.

The B-complex: the great missing piece in longevity protocols

Of all the nutrients that Optimal adds to an advanced protocol, the B-complex is probably the most relevant and the most overlooked. The eight B-group vitamins — B1, B2, B3, B5, B6, B7, B9 and B12 — are directly involved in cellular energy metabolism. They're the cofactors that mitochondria need to convert macronutrients into ATP.

Their deficiency has very concrete consequences. Vitamin B12 deficiency — particularly common from age 50 onwards due to reduced gastric intrinsic factor — shows up as fatigue, cognitive decline and neurological disturbances. B6 deficiency affects serotonin and dopamine synthesis. B9 (folate) deficiency compromises DNA methylation — an epigenetic process directly linked to cellular ageing.

And here's an important detail: the NR you take as a NAD+ precursor doesn't replace the B vitamins. NR acts on a specific metabolic pathway — NAD+ production via the salvage pathway. B vitamins act as cofactors in dozens of different pathways. They're complementary, not equivalent.

Zinc and selenium: the defenders no one mentions

Zinc is involved in over 300 enzymatic reactions. It's a cofactor of superoxide dismutase — one of the body's most important antioxidant enzymes —, regulates immune function, is involved in protein synthesis and plays a direct role in hormonal balance, including testosterone. Chronic deficiency is associated with greater susceptibility to infections, poorer wound healing and progressive cognitive decline.

Selenium is the indispensable cofactor of glutathione peroxidase — the enzyme that neutralises lipid peroxides and protects cell membranes from oxidative damage. Without enough selenium, the glutathione that NAC helps produce can't complete its antioxidant function with full efficiency. Once again: this isn't competition, it's mutual dependence.

💡 In simple terms

NAC raises glutathione levels. Glutathione needs selenium to act as an efficient antioxidant. Without enough selenium, the system doesn't run at full capacity even when glutathione is available. Optimal doesn't duplicate NAC — it unlocks its potential.

Is there a risk of taking too much of something?

It's a fair question when combining a multivitamin with individual supplements. The answer, in this specific case, is no — with a few caveats.

The nutrients that overlap between your protocol and Optimal are vitamin C, vitamin D3 and magnesium. In all three cases, Optimal's doses are moderate and fall within safe ranges even when added to your individual supplementation. Vitamin C is water-soluble — any excess is eliminated through urine. Optimal's vitamin D3 is at conservative doses. Optimal's magnesium is oxide — a form with low bioavailability that barely competes with your bisglycinate.

What is worth bearing in mind is that Optimal includes iron. If your iron levels are already in the high range, or you take iron separately, it's a good idea to check with your doctor before adding the multivitamin. Iron is the only micronutrient in this formula where build-up can become an issue if levels are already elevated to begin with.

When it makes most sense to add Optimal to your protocol

If your diet is varied but not perfect. The modern Western diet, even when it's reasonably balanced, tends to cover macronutrients while consistently falling short on micronutrients. Soil depletion, food processing and today's eating patterns have all reduced the nutritional density of what we eat compared with fifty years ago.

If you're over 40. From this age onwards, B12 absorption declines due to reduced intrinsic factor, zinc requirements increase to support immune and hormonal function, and overall micronutrient absorption drops off. Subclinical deficiency becomes more likely, and its effects more noticeable.

If you want to simplify without sacrificing coverage. Taking the B complex, zinc, selenium, vitamin A, vitamin E and trace minerals individually would multiply both the number of supplements and the cost. Optimal brings them all together in a single daily tablet for €12 per pot — the most efficient way to cover your nutritional baseline.

✨ The logic of a complete protocol

Longevity supplements act on specific mechanisms. The multivitamin ensures that the metabolic environment those mechanisms operate in is the best it can be. It's not just another piece of the puzzle — it's the foundation everything else is built on.

Conclusion: it's not redundancy, it's architecture

Taking vitamin C, D+K2, NR, omega 3 and magnesium is a solid protocol. Adding Optimal doesn't duplicate it — it completes it. It covers the micronutrients those supplements need as cofactors, which a modern diet doesn't consistently guarantee.

The B complex, so that energy metabolism can run at full capacity. Zinc and selenium, so that the antioxidant system works efficiently. Vitamin E, to protect the cell membranes everything else is trying to keep healthy. And the trace minerals involved in hundreds of reactions that rarely make the headlines but are essential to how the body functions.

A smart protocol isn't just about choosing the right molecules. It's about making sure they have the right nutritional environment to do their job.

🧬 LifeXpan Essentials Optimal

A complete multivitamin with antioxidants. The nutritional foundation your longevity protocol needs to perform at its best. 100 tablets · 1 a day.

Scientific references

Lankarani-Fard, A. et al. (2025). Reframing micronutrient deficiencies for modern times: a review. Journal of General Internal Medicine. DOI: 10.1007/s11606-025-09481-y

NIH Office of Dietary Supplements (2024). Zinc: fact sheet for health professionals. ods.od.nih.gov

NIH Office of Dietary Supplements (2024). Selenium: fact sheet for health professionals. ods.od.nih.gov

NIH Office of Dietary Supplements (2024). Vitamin B12: fact sheet for health professionals. ods.od.nih.gov

SEGO (2022). Zinc en la dieta: prevalencia de deficiencia en población adulta española. fepadiet.com

Rajman, L. et al. (2018). Therapeutic potential of NAD-boosting molecules. Cell Metabolism, 27(3), 529–547.

Urolithin A: the molecule that cleans your mitochondria and slows down ageing

2026-05-18T09:32:44.000Z

There's a compound that longevity experts have been quietly talking about for years. It's not a drug. It's not a synthetic molecule. Your own gut produces it — if it has the right bacteria to do so. And if it doesn't, you can take it directly.

It's called urolithin A. And in 2022 it starred in one of the most important milestones in longevity science: the first human clinical trial to show that a supplement can activate mitophagy — the process of clearing out damaged mitochondria — and translate it into real, measurable improvements in muscle strength and physical performance. Without changing the exercise routine.

In this article we explain what urolithin A is, exactly how it works, why 60% of the population can't produce it efficiently, and what all this has to do with ageing well — or badly.

⚡ Longevity & Mitochondria · 7 min read · Backed by science

The problem no one's explained to you: your mitochondria are ageing

Mitochondria are your cells' power stations. They're the structures responsible for converting the nutrients you eat into ATP — the molecule the body uses to do absolutely everything: move a muscle, think, breathe, repair tissue. Without well-functioning mitochondria, a cell has no energy for anything.

The problem is that mitochondria age. Over time they accumulate damage — mutations in their own DNA, membrane dysfunction, loss of efficiency. And when a damaged mitochondrion isn't cleared away, it doesn't just stop producing energy: it starts generating reactive oxygen species — free radicals that damage the structures around them and trigger chronic inflammatory signals.

It's a well-documented vicious cycle: damaged mitochondria → more oxidative stress → more inflammation → more mitochondrial damage. And it underpins chronic fatigue, muscle mass loss, cognitive decline and accelerated ageing.

🔬 Key fact

From the age of 40, mitochondrial function can decline by up to 50% compared with youthful levels. That drop translates into less energy available to every cell in the body — and it's one of the central mechanisms of biological ageing.

Mitophagy: the recycling system that changes everything

Nature has an elegant solution to the problem of damaged mitochondria: mitophagy. It's a selective autophagy process — the same mechanism that won the Nobel Prize in Medicine in 2016 — applied specifically to mitochondria. The cell identifies mitochondria that are no longer working properly, marks them, breaks them down in a controlled way and recycles them.

The result is a younger, more efficient and less inflammatory mitochondrial population. It's essentially the cell's internal quality control applied to its energy source.

The problem is that mitophagy also slows down with age. And when this clean-up doesn't happen often enough, damaged mitochondria build up. The cell loses energy efficiency. And the body starts to notice the consequences: fatigue, loss of strength, reduced physical stamina, brain fog.

💡 In simple terms

Imagine your cell is a factory with hundreds of electrical generators — the mitochondria. Over time, some generators break down and, instead of producing energy, they start giving off toxic smoke. Mitophagy is the maintenance system that comes in, removes the broken generators and replaces them. When that system fails, the factory fills up with smoke.

What urolithin A is and where it comes from

Urolithin A is a postbiotic — a compound produced by certain gut bacteria when they metabolise ellagitannins, a type of polyphenol found in foods such as pomegranate, walnuts and berries. It's not the polyphenol itself that's active: it's the metabolite the gut produces from it.

Here's the twist that makes it especially relevant: only 30% to 40% of the population has the gut bacteria needed to produce urolithin A efficiently. Everyone else could eat pomegranates daily and still not generate meaningful amounts. Even among producers, the quantity generated varies enormously depending on diet, stress and antibiotic use.

This makes urolithin A one of the strongest arguments in favour of direct supplementation — not as a substitute for a good diet, but as the only way to guarantee the compound reaches the body in amounts with a real biological effect.

The science behind it: from worms to humans

The scientific journey of urolithin A is one of the most rigorous among current longevity supplements. It didn't stop at animal models — it reached clinical trials in people, and the results are significant.

The earliest studies in Caenorhabditis elegans — the worm most widely used in ageing research — showed increases of up to 45% in lifespan with urolithin A supplementation. In mice, the results included improvements in physical endurance and muscle function comparable to the effects of regular exercise.

But the milestone came in 2022, with a clinical trial published in Cell Reports Medicine that marked a turning point: it was the first demonstration in humans that a supplement can activate mitophagy and translate it into concrete physiological benefits. Middle-aged participants who took urolithin A for four months experienced a 12% improvement in muscle strength and a 17% improvement in endurance — without any change to their exercise routine.

Study	Result
Nature Metabolism (2019)	Safety confirmed in humans. Molecular signature of mitochondrial improvement.
Cell Reports Medicine (2022)	+12% muscle strength · +17% endurance. First mitophagy demonstrated in humans.
EPFL / Johan Auwerx (2022)	Improvements in VO₂max of up to 10% in middle-aged adults.
Trials in adults aged 60-90	Improvements in muscle function, fatigue resistance and autonomous mobility.

🔬 Key fact

"These results are very promising, as this is the first demonstration in humans that urolithin A repairs mitochondria through mitophagy, and this can translate into concrete physiological benefits." — Johan Auwerx, professor at the Swiss Federal Institute of Technology (EPFL), co-author of the study.

Beyond muscle: what urolithin A does throughout the body

Research into urolithin A goes far beyond muscle function. These are the areas where the evidence is strongest:

Brain health and neuroprotection. Preclinical research suggests that urolithin A may cross the blood-brain barrier and promote mitophagy in neuronal cells, reducing neuroinflammation and the build-up of toxic proteins associated with Alzheimer's and Parkinson's disease. The connection with the gut is no coincidence — the microbiome that produces urolithin A is the same one that protects the gut-brain axis.

Senescent cells and inflammaging. Urolithin A has been shown to reduce the accumulation of senescent cells — the so-called "zombie cells" — by stimulating autophagy and mitophagy. It acts as a senomorphic: modulating the chronic inflammation these cells generate without needing to eliminate them entirely.

Immune system and longevity. Recent studies from 2025 suggest that urolithin A may revitalise blood stem cells, helping to combat the ageing of the immune system — one of the least visible but most decisive processes in biological ageing.

Sarcopenia and physical independence. In adults aged 60 to 90, sustained supplementation with urolithin A has shown improvements in the ability to climb stairs, get up from a chair and walk longer distances. This is no small effect: sarcopenia — the loss of muscle mass with age — is one of the strongest predictors of mortality and loss of independence in old age.

The link with the microbiome: why everything is connected

If you've read our article on the gut microbiome and longevity, here's the missing piece. Urolithin A is the clearest proof that the gut doesn't just digest — it manufactures molecules with systemic effects that no other organ can produce.

The microbiota profile that efficiently produces urolithin A is the same one we find in people with greater bacterial diversity, less inflammaging and a longer healthy life expectancy. This is no coincidence: looking after your microbiome and supplementing with urolithin A are two strategies that reinforce each other.

💡 In simple terms

You could eat all the pomegranate in the world. But if your gut doesn't have the right bacteria to convert it into urolithin A — and 60% of the population doesn't — you won't get the benefit. Direct supplementation guarantees that the compound reaches your body, regardless of the state of your microbiome.

Conclusion: the molecule that biohacking already knows and the wider public is starting to discover

Urolithin A is not a passing trend. It's one of the compounds with the strongest scientific backing in the field of longevity, with a research journey that stretches from worms to human clinical trials — a path very few supplements have completed with such consistent results.

Its mechanism is clear: it activates mitophagy, clears out damaged mitochondria, restores cellular energy efficiency and reduces chronic inflammation. And its effects are tangible: more strength, more stamina, better cognitive function and a younger immune system.

The only obstacle between you and its benefits is your microbiome's ability to produce it. And that obstacle has a solution.

⚡ Support your mitochondrial health with LifeXpan®

While urolithin A acts directly on mitophagy, these two molecules from the LifeXpan® catalogue work on the mitochondria through equally well-documented pathways:

⚡ Pure NR (NAD+): NAD+ is the fuel mitochondria need to produce energy. Without it, neither mitophagy nor mitochondrial biogenesis can happen efficiently. NR supplementation raises NAD+ levels directly and measurably.

🌿 Cursol® Curcumin: Curcumin activates the AMPK pathway — the same route that triggers mitophagy — and reduces the chronic inflammation generated by damaged mitochondria. A natural modulator of the cellular environment in which mitochondria work.

Two molecules. Two different pathways. One shared goal: helping your cells produce energy with the efficiency of someone younger.

The ageing gut: microbiome, inflammaging and longevity

2026-05-04T08:16:14.000Z

There's an organ in your body that medicine ignored for decades. It's not the heart, the brain, or the liver. It's in your gut. And according to the most recent science, it's one of the most powerful predictors of how you're going to age.

A study analysing more than 10,000 gut samples showed that 80-year-olds with a microbiota similar to that of 40-year-olds have lower systemic inflammation and better cognitive function. The microbiome doesn't just predict gut health: it predicts the health of the whole body.

We're talking about the gut microbiome: the ecosystem of trillions of bacteria, viruses, fungi and other microorganisms that live in your digestive tract. For a long time, it was thought that its role was limited to helping with digestion. Today we know it goes far beyond that: the microbiome regulates systemic inflammation, modulates the immune system, produces metabolites that affect the brain and, according to recent studies, can determine whether you age with frailty or with vitality.

In this article, we explain what happens to your microbiome as you age, why this decline speeds up the ageing of the whole body, and what you can do — through habits and science — to reverse it.

🦠 Longevity & Microbiome · 7 min read · Backed by science

The gut: far more than a digestive tube

The human gut is home to between 38 and 100 trillion microorganisms, with a total weight that can exceed one kilogram. This microbial community — which scientists call the gut microbiome — is not a passive passenger in our body. It's a functional organ with its own identity, capable of producing more than 9,000 active enzymes that the human body couldn't make on its own.

These bacteria transform food remnants into short-chain fatty acids such as butyrate, acetate and propionate — metabolites with anti-inflammatory properties that nourish gut cells, regulate the immune system and protect the intestinal barrier. They also synthesise B vitamins, vitamin K and neurotransmitters such as serotonin — yes, 90% of the serotonin in your body is produced in the gut.

But there's something even more relevant to the topic at hand: the microbiome ages. And when it does, it drags the whole body along with it.

What happens to your microbiome from age 40 onwards

The microbiome of a 40-year-old is not the same as that of a 25-year-old. With age, very specific and well-documented changes take place in the composition of the gut microbiota:

What decreases with age	What increases with age
Diversity of bacterial species	Opportunistic pathogenic bacteria
Butyrate-producing bacteria	Intestinal permeability
Bifidobacterium and Lactobacillus	Low-grade systemic inflammation
Akkermansia muciniphila	Pro-inflammatory metabolites (TMAO)

This decline is neither inevitable nor uniform — there are 80-year-olds with a microbiota similar to that of someone aged 40, and their health profile reflects it — but it is the dominant trend in Western populations, and its consequences are far-reaching.

🔬 Key fact

A study analysing more than 10,000 gut samples showed that 80-year-olds with a microbiota similar to that of 40-year-olds have lower systemic inflammation and better cognitive function. The microbiome doesn't just predict gut health: it predicts the health of the whole body.

Leaky gut: the door that shouldn't open

One of the most important — and least known — mechanisms by which an aged microbiome harms the body is so-called leaky gut. Under normal conditions, the intestinal wall acts as a selective barrier: it allows nutrients to pass into the bloodstream while blocking bacteria, toxins and unwanted particles.

When the microbiota deteriorates and butyrate-producing bacteria — the main fuel for the cells that make up that barrier — decline, the tight junctions that seal the intestinal wall weaken. The result is increased permeability: bacteria and bacterial fragments leak into the bloodstream, constantly activating the immune system.

This chronic activation of the immune system has a name in longevity science: inflammaging. A low-grade, silent systemic inflammation that causes no pain or obvious symptoms, but that damages tissues, accelerates cellular ageing and underlies the major chronic diseases of adulthood: Alzheimer's, cardiovascular disease, type 2 diabetes and sarcopenia, among others.

💡 In simple terms

Imagine the wall of your gut as a fine mesh. Under optimal conditions, only things of the right size get through. When the microbiota becomes unbalanced, the mesh stretches and holes open up. What passes through those holes activates your immune system — which stays permanently switched on, wearing itself out and causing collateral damage throughout the body.

The secret of the centenarian microbiome

If there's one thing science has learnt from studying centenarians, it's that their longevity carries a highly recognisable gut signature. A study published in Nature Aging involving 1,575 people aged between 20 and 117 described what researchers called "youthful signatures" of the microbiome in centenarians: greater species uniformity, a lower presence of pathobionts, and sustained microbial stability over time.

Two bacteria appear consistently in the microbiome of those who reach advanced age in good health:

🦠 Akkermansia muciniphila: known as the "anti-ageing" bacterium, it is abundant in centenarians and scarce in people with premature ageing. It renews the mucus layer that protects the intestinal wall, reinforcing the barrier and reducing permeability.

🦠 Butyrate-producing bacteria (such as Faecalibacterium prausnitzii and Roseburia intestinalis): butyrate is the gut's main anti-inflammatory agent. It nourishes the cells of the epithelium, regulates the immune response and protects against inflammaging. Its absence is one of the most consistent markers of accelerated intestinal ageing.

What's more, a 2025 study published in npj Biofilms and Microbiomes isolated a strain of Lactobacillus plantarum from the microbiota of centenarians, whose metabolite — mesaconic acid — showed anti-inflammatory and anti-ageing effects in animal models, opening up a new line of research into the therapeutic potential of the microbiome of the longest-lived.

🔬 Key fact

In 2025, Spain's CSIC published a study of people over 55 that linked different microbiota profiles with variations in cortical areas related to memory, language and emotional processing. The gut-brain axis is not a metaphor: it is a bidirectional biological highway with direct implications for cognitive ageing.

The gut-brain axis: ageing from within

One of the most striking discoveries of the last decade is that the gut and the brain communicate constantly and bidirectionally via the vagus nerve, the immune system and the metabolites produced by bacteria. This gut-brain axis explains why a deteriorated microbiome affects not only digestion or general inflammation, but also cognitive function, mood and the risk of neurodegenerative disease.

Neuroinflammation — chronic inflammation in brain tissue — is directly linked to intestinal dysbiosis. When the gut becomes permeable and bacterial fragments reach the bloodstream, some of that inflammatory signal reaches the brain, contributing to age-related cognitive decline and increasing the risk of Alzheimer's and Parkinson's disease.

What you can do to look after your microbiome from age 40 onwards

The good news is that the microbiome is one of the most plastic and modifiable systems in the body. Unlike your genome, which you can't change, the microbiome responds relatively quickly to changes in diet, lifestyle and supplementation.

Fermentable fibre as a priority. Beneficial bacteria feed on fibre — especially the so-called prebiotics: inulin, FOS, resistant starch. Pulses, leafy greens, garlic, onion, leek, artichoke, plantain and oats are some of the most powerful sources. Fibre diversity feeds bacterial diversity.

Polyphenols: food for the best bacteria. Curcumin, the polyphenols in extra virgin olive oil, flavonoids from berries and resveratrol from red grapes have been shown in clinical studies to increase the presence of Akkermansia muciniphila and butyrate-producing bacteria, while reducing pro-inflammatory pathobionts.

Omega 3 and its effect on the gut barrier. The EPA and DHA fatty acids found in omega 3 have a direct effect on the integrity of the intestinal wall and on reducing inflammaging. Recent studies place them among the most effective modulators of the microbiota in people over 40.

Magnesium and gut inflammatory regulation. Magnesium plays a role in regulating intestinal motility and in modulating the inflammatory response at the mucosal level. Its deficiency — highly prevalent in Western populations — is associated with increased intestinal permeability and dysbiosis.

Cutting back on ultra-processed foods and alcohol. Both are the most well-documented enemies of microbial diversity. Excess simple sugars, saturated fats and food additives disrupt the bacterial balance within days — and recovery can take weeks.

✨ The key to microbiome and longevity

We don't all age the same way, because our internal ecosystems don't age the same way. The gut microbiome is one of the few biological systems you can actively and measurably change. What you give it each day — in the form of food, supplements and habits — determines the type of inflammation circulating through your body and, ultimately, the speed at which your tissues age.

Conclusion: your gut is ageing. But you can influence how it does.

Longevity science has taken decades to give the gut the attention it deserves. Today there's no doubt: the microbiome is a central player in the ageing process, and its decline is one of the most powerful mechanisms behind inflammaging — that silent inflammation which speeds up the ageing of the whole body.

Centenarians show us that it's possible to maintain a youthful microbiome well into your 100s. It isn't pure genetics: it's the result of decades of a diet rich in fibre and polyphenols, low in ultra-processed foods, and a lifestyle that protects bacterial diversity.

Starting to look after your microbiome at 40 or 50 isn't too late. It's exactly the moment when that investment pays off the most biologically.

🦠 Support your microbiome with LifeXpan®

Three molecules with direct evidence on microbial diversity, the gut barrier and the reduction of inflammaging:

🐟 Omega 3 EPA/DHA: Modulates the composition of the microbiota and strengthens the integrity of the gut barrier.

🌿 Cursol® Curcumin: Increases the presence of Akkermansia muciniphila and butyrate-producing bacteria. Reduces pro-inflammatory pathobionts.

🔩 Magnesium Bisglycinate: Regulates intestinal motility and modulates the inflammatory response at the mucosal level.

Scientific references

Wilmanski, T. et al. (2021). Gut microbiome pattern reflects healthy ageing and predicts survival in humans. Nature Metabolism, 3, 274–286.

Sommer, F. et al. (2025). Life-long microbiome rejuvenation improves intestinal barrier function and inflammaging in mice. Microbiome, 13, 89.

Alcaraz, J. et al. (2026). Chronic intestinal immune activation reveals separable impacts of inflammation and barrier loss on hallmarks of ageing. PLOS ONE.

CSIC (2025). Observational study on microbiota profiles and cortical areas in adults over 55. Instituto de Neurociencias, CSIC.

Palmas, V. et al. (2022). Gut microbiota markers and dietary habits associated with extreme longevity in healthy Sardinian centenarians. Nutrients, 14(12).

Tseng, C.H. & Wu, C.Y. (2025). From dysbiosis to longevity: a narrative review into the gut microbiome's impact on aging. Journal of Biomedical Science, 32.

Glowing skin for spring: collagen, hyaluronic acid and the science behind rejuvenation

2026-04-27T09:27:54.000Z

The skin is the body's largest organ and the first to reflect what's happening inside. With the arrival of spring, changes in light and temperature create a unique biological window to renew it from within — not with creams, but with science as our guide.

During winter, the skin quietly accumulates damage: cold reduces peripheral circulation, artificial heating dries out the skin barrier, and reduced sun exposure alters the synthesis of key nutrients. When spring arrives, the body receives signals of renewal, bringing with them a real opportunity to restore the radiance, hydration and elasticity that winter has been eroding.

In this article, we explain what happens to your skin as the seasons change, why skin renewal begins from within, and how four molecules — collagen, magnesium, hyaluronic acid and vitamin C — work in synergy to help your skin arrive at summer in its best possible shape.

✨ Skin & Longevity · 6 min read · Backed by science

The skin you see reflects what you synthesise

Skin has three main layers. The outermost — the epidermis — is what we see. But the quality of what we see largely depends on what happens in the middle layer: the dermis. This is where collagen and elastin fibres, the hyaluronic acid network, and fibroblasts — the cells responsible for building and maintaining that whole structure — are found.

From around the age of 25, collagen production begins to decline by roughly 1% each year. By age 40, this accumulated loss is already visible: skin loses firmness, the first expression lines appear, and deep hydration diminishes. By age 50, intradermal hyaluronic acid levels may have dropped by as much as 50%.

Age	Collagen loss	Visible effect
25 years	Decline begins (~1%/year)	Still imperceptible
35 years	~10% accumulated	First fine lines
45 years	~20% accumulated	Visible loss of firmness
55 years	~30% accumulated	Marked wrinkles, sagging

The good news is that the dermis has the capacity to regenerate. And when given the right building blocks, it can recover part of that lost structure in a measurable way. This is where smart supplementation makes a real difference.

Hydrolysed collagen: building from the ground up

Collagen is the body's most abundant structural protein. It makes up 70-80% of the dermis and is literally the scaffolding on which skin is built. When taken in hydrolysed form — that is, already broken down into small peptides — it can be absorbed through the gut and reach the dermis directly.

Numerous clinical trials published in journals such as Journal of Cosmetic Dermatology and Skin Pharmacology and Physiology show that daily intake of hydrolysed collagen peptides for 8 to 12 weeks significantly improves skin elasticity, reduces wrinkle depth, and increases dermal density. The mechanism works in two ways: on one hand, the peptides act as building blocks for fibroblasts to produce new collagen. On the other, they act as biological signals that directly stimulate the activity of these cells.

💡 In simple terms

Taking hydrolysed collagen isn't the same as taking just any protein. The specific peptides it contains tell your skin to start building more of its own collagen. It's like sending an activation message from within.

Hyaluronic acid: the deep hydration sponge

If collagen is the scaffolding, hyaluronic acid is the water that keeps it alive and elastic. This molecule has an extraordinary capacity for retaining water: it can hold up to 1,000 times its own weight in water. It's responsible for the volume, firmness and that "plump" look of skin that we associate with youthfulness.

Oral supplementation with low molecular weight hyaluronic acid has been shown in clinical studies to effectively reach the dermis and increase skin hydration levels in a measurable way. A trial published in Nutrition Journal showed significant improvements in skin hydration, elasticity and roughness after 12 weeks of oral supplementation, with results comparable to high-concentration topical treatments.

🔬 Key fact

The key lies in molecular size. Low molecular weight hyaluronic acid can cross the intestinal barrier and be distributed via the bloodstream to the tissues that need it most. High molecular weight hyaluronic acid, on the other hand, only acts on the surface — it's what most topical creams contain.

Vitamin C: the switch for collagen synthesis

Here's one of the most important and well-documented links in molecular dermatology: without vitamin C, collagen cannot be properly synthesised.

Vitamin C acts as a cofactor for the enzymes that stabilise collagen's triple helix — the three-dimensional structure that gives it strength and function. If vitamin C levels are insufficient, fibroblasts cannot complete the process, even with all the peptides available. It's the link that connects the raw material to the result.

But vitamin C also has a second, equally important role: it's one of the most powerful antioxidants that protect skin from damage caused by UV radiation and free radicals. With the increased sun exposure that spring brings, this protective role becomes especially relevant.

💡 In simple terms

Taking collagen without vitamin C is like having bricks without cement. Vitamin C doesn't build the structure — it activates the enzymes that assemble it. Without it, the process isn't completed, no matter how much collagen you've taken.

Magnesium: the mineral no one mentions but that coordinates everything

Magnesium is perhaps the least-known ingredient in this protocol, yet its absence compromises everything. This mineral is involved in over 300 enzymatic reactions in the body, several of which are directly relevant to skin health.

Magnesium regulates protein synthesis in fibroblasts, modulates the skin's inflammatory response and contributes to the integrity of the epidermal barrier — the protective layer that prevents transepidermal water loss. Magnesium deficiency, which is far more common than most people think, results in drier, more reactive and inflamed skin with a reduced capacity to regenerate.

🔬 Key fact

It's estimated that more than 50% of the Western population doesn't meet the recommended daily intake of magnesium. A subclinical deficiency — with no obvious symptoms — can directly affect skin quality without ever being linked back to this mineral.

The synergy: why all four together work better

These four molecules don't act in parallel: they act in a chain.

🏗️ Hydrolysed collagen: Provides the peptides that build the dermal matrix and signal fibroblasts to produce more of their own collagen.

💧 Hyaluronic acid: Plumps and retains water in the dermis. Deep hydration, volume and firmness from within.

⚡ Vitamin C: Activates the enzymes that assemble collagen and protects the skin against sun-induced oxidative damage.

🔩 Magnesium: Coordinates fibroblast enzymatic activity and helps keep the skin barrier intact.

The most important thing to understand is that this synergy isn't a marketing gimmick: it's the biological logic of the process. Taking collagen alone without vitamin C is like having bricks without cement. Taking vitamin C without collagen is having cement without bricks. Hyaluronic acid keeps the environment hydrated so that assembly can take place. And magnesium coordinates all the enzymatic machinery that keeps the whole process running.

This is precisely the logic behind LifeXpan's formula, designed so that these four molecules work in synergy, with doses that reflect what clinical research has identified as effective.

Spring as a starting point

Spring offers a favourable biological context for this renewal. More sunlight activates vitamin D synthesis, which in turn modulates fibroblast activity. Rising temperatures improve skin microcirculation, helping nutrients reach the dermis. And the circadian rhythm itself, adjusted to longer daylight hours, supports overnight regeneration processes.

Consistency over quantity. Clinical studies consistently show that 8 to 12 weeks of regular intake are needed to see visible, measurable changes. Skin renews itself slowly, and the dermis even more so. Starting in spring means reaching summer — when skin is more exposed and more visible — with a stronger biological foundation.

Hydration from within and from outside. Oral supplementation works in the dermis, where creams can't reach. But combining it with good topical hydration and sun protection enhances the results synergistically.

Reducing oxidative damage. More hours of sunshine in spring is a biological advantage, but it also means greater exposure to UV radiation. Vitamin C and dietary antioxidants — fruit, richly coloured vegetables, extra virgin olive oil — act as a complementary shield.

✨ The key to glowing skin in spring

The radiance we're after doesn't come from a filter or a cream. It comes from a well-hydrated dermis, dense collagen fibres and an intact epidermal barrier. That's not achieved in a week, but it can be built with consistency, the right ingredients and science as your guide.

Conclusion: glowing skin is built from within

The cosmetics industry has spent decades selling the promise of perfect skin from the outside. But molecular dermatology teaches us something different: skin quality depends on what happens in the dermis, and the dermis is nourished from within.

Hydrolysed collagen, hyaluronic acid, vitamin C and magnesium aren't four separate ingredients — they're four links in the same biological process. When taken together, in the right doses and with the necessary consistency, the difference is visible and measurable.

This spring, give your skin what it needs to truly renew itself. Not from the outside. From within.

✨ Here's our LifeXpan® formula

Hydrolysed Collagen + Magnesium Bisglycinate + Hyaluronic Acid + Vitamin C. A synergy formulated for skin hydration, elasticity and radiance.

Scientific references

Proksch, E. et al. (2014). Oral supplementation of specific collagen peptides improves skin characteristics. Skin Pharmacology and Physiology, 27(1), 47–55.

Choi, F.D. et al. (2019). Oral collagen supplementation: A systematic review of dermatological applications. Journal of Drugs in Dermatology, 18(1), 9–16.

Kawada, C. et al. (2014). Ingested hyaluronan moisturizes dry skin. Nutrition Journal, 13, 70.

Pullar, J.M. et al. (2017). The roles of vitamin C in skin health. Nutrients, 9(8), 866.

Denda, M. & Inoue, K. (2018). Magnesium ion modulates skin barrier function. Archives of Dermatological Research.

Spring detox: how to support your cellular regeneration as the season changes

2026-04-20T13:58:42.000Z

Every year, when spring arrives, something shifts within our bodies. It's not just poetry: biology has a lot to say about why this season is, even at a cellular level, a time of renewal.

The light increases, temperatures rise, and our circadian rhythm adjusts. With these changes, our organism naturally activates certain cleansing and regeneration mechanisms that had been running more slowly during the cold months. The trouble is that in the modern world — with chronic stress, ultra-processed food and constant exposure to pollutants — these processes need support to work at their best.

In this article, we explain what happens inside your cells in spring, why the concept of detox has solid scientific backing (though it has nothing to do with trendy juices), and how three molecules — NAC, NAD+ and curcumin — can make a real difference to your seasonal vitality.

What does your body's "detox" actually mean?

When we talk about detox in scientific terms, we're not referring to any miracle green smoothie. We're talking about two fundamental biological processes that the body itself carries out continuously, and which intensify in certain seasonal and hormonal contexts:

The first is autophagy, a process through which cells remove their own faulty components: misfolded proteins, damaged organelles, metabolic debris. It's essentially the cell's internal recycling system. It's so important that its discovery earned the Nobel Prize in Medicine in 2016, awarded to Japanese biologist Yoshinori Ohsumi.

The second is antioxidation: the body's ability to neutralise free radicals, unstable molecules that cause damage to cells and lie at the root of cellular ageing and many chronic diseases.

Key fact

Autophagy acts as an ongoing cellular quality control system. When it fails or slows down — due to age, poor diet or a sedentary lifestyle — cellular "waste" builds up, contributing to accelerated ageing and neurodegenerative diseases.

With the arrival of spring, changes in day length and temperature influence our circadian rhythm and hormonal axis. There is evidence that seasonal cycles modulate the expression of genes linked to inflammation and cell repair. In other words: spring isn't just about mood; it's also a biological signal.

NAC: the precursor to the master antioxidant

N-acetylcysteine (NAC) is one of the most studied compounds in precision medicine and longevity research. Its main mechanism is simple yet powerful: it acts as a precursor to glutathione, the most abundant and powerful antioxidant produced by our own body.

Glutathione is, in essence, the cell's ultimate shield. It's responsible for neutralising free radicals, helping the liver eliminate toxins, and maintaining redox balance within each cell. The problem is that its levels decline with age, stress and exposure to environmental toxins. This is where NAC comes into play: by providing bioavailable cysteine — the limiting amino acid in glutathione synthesis — it allows the body to produce more of this antioxidant when it's needed most.

Beyond its antioxidant role, research shows that NAC also has mucolytic properties (it helps thin mucus, which is particularly useful when the seasons change), immunomodulatory effects, and can positively modulate the inflammatory response. A study published in Free Radical Biology and Medicine confirmed its ability to reduce systemic oxidative stress in contexts of high metabolic demand.

In simple terms

NAC is like supplying the raw materials your body needs to build its own cleaning system. It doesn't do the job on its own: it gives your cells what they need to work more efficiently.

NAD+: the energy that fuels cellular repair

NAD+ (nicotinamide adenine dinucleotide) is a coenzyme molecule involved in more than 500 metabolic reactions in the human body. Without NAD+, the cell cannot produce energy efficiently, cannot repair its damaged DNA, and cannot activate the most important longevity proteins we know of: sirtuins.

The problem, well documented by researchers such as Dr David Sinclair of Harvard, is that NAD+ levels fall dramatically with age: by the age of 50, we may have less than half the NAD+ we had at 20. And that decline has direct consequences: less cellular energy, greater build-up of DNA damage, and a reduced capacity to adapt to metabolic stress.

This is where NR (Nicotinamide Riboside) —the most efficient and well-studied precursor of NAD+— takes centre stage. Through the cell's salvage pathway, NR is converted into NAD+ directly and efficiently. Clinical studies in humans, published in journals such as Nature Communications and Cell Metabolism, have confirmed that NR supplementation significantly raises NAD+ levels in blood and muscle tissue within a matter of weeks.

And what does this have to do with spring detoxing? The connection is direct: NAD+ is the fuel that sirtuins and DNA repair enzymes need in order to act. Without enough NAD+, autophagy slows down, the removal of damaged cells becomes less efficient, and tissue regeneration is compromised. Raising NAD+ is, in a way, powering up the cell's cleaning system so it can work at full capacity.

Curcumin: nature's inflammation regulator

Curcumin is the active polyphenol in turmeric, and one of the most researched plant compounds in the field of ageing biology. More than 15,000 scientific studies have been published on its biological effects, though it's worth pointing out something important: curcumin naturally has very low bioavailability, which has driven the development of advanced formulations that overcome this limitation and allow the molecule to actually reach the tissues.

Its mechanism of action is multiple. On one hand, it inhibits the transcription factor NF-κB, which acts as the master switch of chronic low-grade inflammation —that silent type of inflammation that doesn't hurt but underlies accelerated ageing and many modern diseases. On the other hand, it acts directly as an antioxidant, scavenging free radicals and stimulating the body's own antioxidant defences.

But perhaps most relevant to our conversation about spring detox is that curcumin has been shown to be an inducer of autophagy. Recent research, including work published in Autophagy and Aging Cell, points to curcumin activating the AMPK pathway, one of the key routes that triggers the cellular clean-up process, similar to what happens during intermittent fasting.

The synergistic trio: more than the sum of its parts

🛡️NAC: Raises glutathione levels. Boosts antioxidant defence and supports liver detoxification.

⚡ NAD+ (via NR): Fuels the cellular repair machinery. Activates sirtuins and efficient autophagy.

🌿Curcumin: Curbs chronic inflammation. Stimulates autophagy and neutralises free radicals.

What's most interesting is that these three molecules don't act in isolation: their mechanisms complement and reinforce one another. NAC provides the baseline antioxidant substrate. NAD+ supplies the metabolic energy needed for repair processes to work. Curcumin acts as a regulator of background inflammation and as an autophagy inducer. Together, they form a coherent, science-backed protocol to support cellular renewal in the transition from winter to spring.

This is precisely the logic behind LifeXpan's Cellular Regeneration Protocol Combo: a formulation designed so these molecules work in synergy, with doses that reflect what clinical research has identified as effective.

How can you support these processes day to day?

Supplementation is a powerful tool, but it doesn't work in a vacuum. These are the habits science identifies as natural inducers of autophagy and cellular regeneration, and which sync particularly well with the changes of spring:

Morning sunlight exposure. Dawn light, rich in blue and red wavelengths, synchronises the circadian clock and modulates the expression of genes related to cellular repair. Ten or fifteen minutes without sunglasses upon waking can make a measurable difference to your biology.

Fasting windows. Intermittent fasting — even a 14 to 16 hour window — is one of the most powerful and well-studied autophagy inducers. In spring, extending breakfast can feel more natural thanks to increased daylight and shifts in appetite.

Movement in nature. Moderate exercise activates muscular autophagy and raises endogenous NAD+ levels. Doing it outdoors in spring adds the benefit of exposure to microorganisms from the natural environment, which stimulate the immune system in ways science is only just beginning to understand.

Reducing toxic load. Avoiding alcohol, tobacco and ultra-processed foods at this time of year allows liver detox systems — where glutathione plays a central role — to operate more efficiently. The liver can then focus its resources on endogenous clean-up, rather than managing external toxins.

The key to cellular spring

It's not about doing a radical "reset". It's about aligning your habits and supplementation with what your biology already wants to do at this time of year: clean, repair and renew. The science of longevity teaches us that small, consistent adjustments have an enormous cumulative impact.

Conclusion: renewal is a process, not a product

The concept of detox has been so misused by marketing that it's lost its real meaning. But behind the word lies a fascinating, well-documented biological reality: our cells have their own clean-up and regeneration systems that, when working properly, are more efficient than any juice or miracle diet.

Spring, with its shifts in light and temperature, gives us a favourable biological context. NAC, NAD+ and curcumin give us the molecular tools to boost those mechanisms. And mindful habits — sleep, movement, light, fasting — create the environment in which everything works better.

Cellular regeneration isn't a one-off event. It's an ongoing process we can nurture or neglect with every decision. This spring, you can choose to support it with science.

🌿 LifeXpan Cellular Regeneration Protocol

NAC 600mg + NR Puro 60 (NAD+) + Cursol® Curcumin + Magnesium Bisglycinate. Synergy formulated for cellular longevity.

Karelian Shungite: Properties, Materials Science and its Interaction with Electromagnetic Waves

2026-04-06T16:40:18.000Z

In an increasingly technological world, it's natural to wonder how materials interact with the electromagnetic waves present in devices such as routers, mobile phones or wireless networks. In this context, certain natural carbon-rich materials, such as shungite, have attracted considerable scientific interest due to their unusual physical properties. This article looks at shungite from a materials science perspective, to explain what is actually known about its interaction with radiofrequencies according to the available research.

What is Karelian Shungite?

Shungite is a carbon-rich mineraloid found mainly in the Karelia region of Russia. Formed around two billion years ago, this material is technically classified as a non-crystalline form of carbon. Its internal structure is one of its most studied aspects, as it contains carbon in various forms, including disordered structures similar to graphite.

One notable finding in its composition is the detection, in some cases, of fullerenes (such as C60). These are spherical molecular structures made entirely of carbon which, in laboratory settings, have been widely analysed for their distinctive chemical and electronic properties.

Physical properties and interaction mechanisms

Depending on its type — particularly the variant known as type I or “elite” shungite — this material displays physical characteristics of considerable interest, such as measurable electrical conductivity and a porous structure at the micro and nanoscale. These features make it reasonable, from a materials physics perspective, to study its behaviour when exposed to electromagnetic fields through three well-known phenomena:

Reflection: Due to the presence of mobile electrons (conductivity), part of the wave can be reflected when it strikes the surface of the material.
Absorption: Through the induction of internal currents, part of the wave's energy can be dissipated within the mineral, generally as heat.
Internal losses: Given its heterogeneous, porous nature, the wave can scatter within the material, gradually reducing its intensity.

This combination of processes is what is scientifically known as electromagnetic attenuation. For this reason, shungite is technically defined as a material capable of electromagnetic interaction which, under certain conditions, can partially attenuate certain frequencies.

Review of the scientific evidence

The technical basis for this material rests mainly on two strands of research:

Firstly, a 2003 study published on PubMed (Shielding effect of mineral shungite during electromagnetic irradiation of rats) assessed the biological effects on the haematopoietic system of rats exposed to 37 GHz radiation. Under these controlled experimental conditions, the group shielded with shungite showed fewer biological changes. This preclinical study suggests that the material may modify radiation interaction under specific laboratory conditions.

On the other hand, research focused on microwave absorption (Mechanisms of Microwave Absorption in Carbon Compounds from Shungite) has examined the absorption mechanisms in carbon compounds derived from shungite. This work confirms that the mineral's carbon structures contribute to radiation absorption, although the results depend directly on factors such as composition, density and the thickness of the material used. These findings are consistent with the behaviour of other carbon-based materials studied in materials science.

Applications and conclusions

Taking a rigorous approach, it is reasonable to state that shungite is a unique geological material with measurable electrical properties and a proven capacity to interact with electromagnetic waves within certain frequency ranges.

In everyday use, pieces of shungite — whether pyramids or other objects — are valued as minerals with interesting physical properties. In conclusion, current evidence indicates that shungite has genuine properties for interacting with electromagnetic radiation, which justifies its continued relevance and study within contemporary physics and materials science.

Here's our Lifexpan shungite pack, used by our customers for electromagnetic protection:

Super Pack x2 Shungite Pyramid 60mm Polished + Flower of Life Pendant + x2 Mobile Protection Discs 28mm – New Design by Rudy Bianco | 100% Original, Natural from Karelia (Russia) | Electromagnetic Protection - LifeXpan® Quantum Shield

Holidays or a marathon? How to keep your energy and sleep steady amid the Easter chaos

2026-03-31T09:57:23.000Z

How's the start of Easter week going for you? Although the calendar labels it as a period of rest, for human physiology it represents a constant challenge of adaptation. Travel, disrupted sleep schedules and the intensity of family life with the children at home are not a biological pause, but a change of frequency in which the body must keep performing despite the disturbance to its homeostasis.

Rather than waiting for exhaustion to set in the following Monday before looking for a solution, longevity science proposes a proactive approach. Understanding supplementation as support during these transitional days allows the body not only to survive the change in routine, but also to maintain its cellular integrity in the face of the domestic "jet lag" that so often accompanies holidays.

The biological challenge of Easter week: Stress on the power plants

From the very first day of the holidays, the body faces a paradox: we want to rest, yet we subject our cells to unusual activity. Changes in light exposure, late-night dinners and constant busyness act as interference on the circadian rhythms. This disruption directly affects the mitochondria, the structures responsible for producing ATP, the body's energy currency.

As demands increase and recovery cycles become irregular, these power plants start operating at a loss. There's no need to wait until the end of the week to feel the impact; accumulated fatigue begins to build up in the very first days. That's why strengthening energy production capacity right from the start is a precise strategy for avoiding a later collapse.

NAD+: The reserve fuel for holiday intensity

For the metabolism to keep pace through a week of scheduling chaos, it needs optimal levels of a critical coenzyme: NAD+ (nicotinamide adenine dinucleotide). This molecule powers cellular repair and energy exchange. However, the stress of travelling and lack of sleep deplete NAD+ stores faster than the body can replenish them on its own.

Incorporating Pure NR (Nicotinamide Riboside) from Lifexpan right from the start of the week acts as an uninterrupted power supply system. NR is a direct precursor that efficiently raises NAD+ levels. Taking it during these days gives your cells the raw material they need to manage the extra activity. This isn't a stimulant that masks tiredness, but rather an optimisation of the internal machinery so that energy flows steadily, preventing your biological operating system from crashing halfway through the week.

Magnesium as a regulator of nervous system noise

While NAD+ takes care of energy, the nervous system needs a stabiliser. Paradoxically, holidays tend to keep the sympathetic branch of the autonomic nervous system active (the alert response), due to the logistics of travel or the dynamism of children at home. This state of hyperalertness makes it harder for the body to enter a true state of repair once night falls.

Using Magnesium Bisglycinate throughout Easter week works as a modulator of neuronal excitability. Magnesium is involved in hundreds of reactions, but in this specific form (bound to the amino acid glycine), its bioavailability is exceptional. It acts as a dampener of nervous noise, helping sleep to become truly restorative despite changes of bed or schedule. It's the necessary counterpoint: while NR keeps the lights on during the day, magnesium ensures the switch can be effectively turned off once night arrives.

Preventive synergy: Why start today and not next Monday

Strategic supplementation shouldn't be seen as a metabolic "fire extinguisher", but as a support architecture. If you start taking NR and Magnesium right from the beginning of the Easter break, you gain systemic benefits that protect the body from the effects of oxidative stress before it causes noticeable damage.

Circadian Resilience: By keeping NAD+ levels high, the body copes better with disrupted schedules, minimising that morning brain fog.
Nervous Protection: Magnesium prevents the build-up of cortisol (the stress hormone) that tends to spike once your routine disappears, helping your temper and patience — so essential on family trips — stay steady.
Real-Time Recovery: Instead of spending the week after the holidays "recovering", the body carries out the repairs it needs each night, far more thoroughly.

The importance of high-purity supplementation

During periods of high demand, such as the change of season in spring and the intensity of the holidays, diet often falls short of covering the peaks in certain micronutrient needs. Under pressure, the body burns through magnesium and NAD+ at a frantic pace. LifeXpan products, designed to longevity standards, offer a concentration and purity that allow your biological system to absorb the impact of extra activity without sacrificing your long-term wellbeing.

LifeXpan's approach isn't about replacing food, but about providing nutritional engineering tools that the average person would struggle to get in therapeutic doses from food alone during a week of travel and celebrations.

Conclusion: Support towards an active longevity

Easter is a chance to enjoy social and family life, but it doesn't have to leave your body paying a toll of exhaustion. Understanding that the body is an interconnected logistical network allows you to make smart decisions from day one.

By bringing NR for cellular vitality and Magnesium Bisglycinate for nervous calm along for the journey, you ensure that your return to routine continues a healthy state rather than becoming a painful recovery process. Ultimately, the goal isn't just to survive the holidays, but to live them with an optimised biology that lets you reach the end of the week with the same energy you started it with.

Pure NR 60

Magnesium Bisglycinate XL

The Bermuda Triangle of Calcium: Why Vitamin D3 needs K2 (and Magnesium) to avoid shipwreck

2026-03-24T15:48:58.000Z

In the world of modern nutrition, we've moved on from simply "avoiding illness" to seeking the total optimisation of our biology. In this race for longevity, one dynamic duo has stolen the spotlight: Vitamin D3 and Vitamin K2.

However, recent science is unequivocal: supplementing with Vitamin D3 on its own is like hiring an army of builders without giving them a site plan. The result isn't a stronger structure, but a chaotic pile-up of materials in places they shouldn't be. For calcium to become an ally to your bones rather than an enemy to your arteries, we need to understand the molecular logistics of this partnership.

1. Vitamin D3: the entry engine, but not the destination

Vitamin D3 (cholecalciferol) is usually labelled a vitamin, but it actually behaves like a steroid pro-hormone. Its most critical function is to act as the "gatekeeper" of our digestive system: without it, the calcium you consume in your diet simply passes straight through. D3 opens the gut's doors and raises calcium levels in the blood so it's available for vital functions such as muscle contraction or heartbeat.

But here's where the first logistical challenge appears. Vitamin D3 is excellent at loading calcium onto the "delivery lorry" (the bloodstream), but it has no map to tell that lorry where to unload the goods.

2. Vitamin K2: the sat nav for your minerals

If D3 is the engine, Vitamin K2 (menaquinone) is the intelligent navigation system. Its role isn't to absorb calcium, but to activate the proteins responsible for managing it once it's already circulating.

At a molecular level, Vitamin K2 carries out a process called carboxylation. Think of K2 as fitting "magnets" onto certain proteins so that calcium sticks to them. The two most important proteins that depend on this process are:

Osteocalcin: This is responsible for "capturing" calcium from the blood and cementing it into the matrix of your bones and teeth.
Matrix Gla Protein (MGP): This is, perhaps, the most important protein for your cardiovascular longevity. Its job is to patrol the walls of your arteries and prevent calcium from being deposited there.

The biological trap: Vitamin D3 tells your body to manufacture these proteins, but delivers them "switched off". Without Vitamin K2 to flick the switch, these proteins circulate around your body like metabolic zombies: present, but unable to carry out their mission.

The "Calcium Paradox": when the mineral takes a wrong turn

For decades, medicine faced a puzzling enigma: people with fragile bones (osteoporosis) who, at the same time, had arteries hardened by calcium deposits (atherosclerosis). How could calcium be lacking in the skeleton while there was an excess in the heart?

The answer is Vitamin K2 deficiency. When D3 levels are high but K2 levels are low, the absorbed calcium doesn't find its way to the bone and ends up settling in soft tissue instead.

Imagine your arteries as elastic hoses. Poorly managed calcium gradually turns them into rigid ceramic pipes. This phenomenon, known as ectopic calcification, is one of the strongest predictors of cardiovascular risk. Vitamin K2 acts as a molecular cleaner, making sure calcium becomes bone-building material rather than arterial rubble.

The Third Pillar: Magnesium as the "ignition key"

One supporting player is often overlooked, yet it's essential: Magnesium. In this three-way system, magnesium acts as the cofactor that allows enzymes to transform the Vitamin D we take (or synthesise from sunlight) into its active hormonal form (calcitriol).

If you have low magnesium levels, you could take massive amounts of Vitamin D3 and still experience functional resistance. Your body simply can't process it. What's more, high D3 intake depletes magnesium reserves, which explains why some people feel cramps or fatigue when they start supplementing with D3 on its own.

Table: The Calcium Management System

Nutrient	Role in the Body	Operational Metaphor	Deficiency Risk
Vitamin D3	Intestinal absorption	The "Doorman" who lets the material in.	Rickets, weakened immunity.
Magnesium	Enzymatic activation	The "Key" that starts the D3 engine.	Vitamin D resistance, arrhythmias.
Vitamin K2	Distribution and fixation	The "Navigator" who directs calcium to the bone.	Arterial calcification, fractures.

MK-4 or MK-7? The importance of persistence

Not all Vitamin K2 forms are equal. There are mainly two forms on the market: MK-4 and MK-7.

Current scientific research, including the 2025 AVADEC study, highlights the superiority of MK-7. While MK-4 disappears from the blood in just a couple of hours, MK-7 has a half-life of around 72 hours. This allows it to travel to every corner of the body, keeping constant watch over your arteries and bones with a single daily dose.

Benefits beyond bone: Longevity and Metabolism

The synergy between D3 and K2 doesn't just protect your structure. Recent studies such as COSMOS (2026) suggest that this balance may slow down biological ageing. By correctly regulating calcium, oxidative stress damage to cells is prevented and insulin sensitivity is improved.

Even in modern conditions such as Long COVID, the combination of optimised doses of D3 (2000 IU) and K2 MK-7 (240 mcg) has been shown to reduce fatigue and systemic inflammation, reinforcing the biological barriers that the virus often compromises.

Conclusion: A precision strategy

Taking Vitamin D3 on its own is a practice from the last century. Cutting-edge science invites us to view the body as a system of interconnected flows. To ensure a resilient bone architecture and a flexible cardiovascular system, the D3 + K2 + Magnesium triad is the gold standard.

Before starting any protocol, it's essential to check the stability of the supplements (K2 is sensitive to light) and, of course, to consult a professional if you're being treated with anticoagulants such as warfarin, since K2 is directly involved in blood clotting mechanisms.

Sources used

The Synergistic Interplay between Vitamins D and K for Bone and Cardiovascular Health: A Narrative Review

Vitamin D and Vitamin K: Synergistic Roles and Emerging Evidence for Combined Supplementation

The Synergy of Vitamin D3 and Vitamin K2 Supplementation

Vitamin D3 + K2: How Are They Connected?

The Critical Combo (Vitamin D and Vitamin K2)

Can Vitamin K2 and D3 Support Blood Vessel Health in Long COVID?

Modulation of Cardiometabolic Risk by Vitamin D and K2: Simple Supplementation or Real Drug? Uncovering the Pharmacological Properties

How to combine vitamin D and vitamin K properly

And if you decide to try this supplement, here's our V itamin D3 + K2 | Patented MenaQ7® with K2 - Mk-7 | High bioavailability and extended-release effect | 90 capsules.

Fibromyalgia: the body's bioenergetic crisis and NR

2026-03-17T15:03:09.000Z

For decades, fibromyalgia has been one of modern medicine's most frustrating enigmas. Traditionally defined by widespread musculoskeletal pain, chronic fatigue and "brain fog", it has left millions of people searching for answers within a system that often failed to grasp the root of their suffering. However, scientific research produced between 2024 and 2026 has marked a paradigm shift that is transforming the way we understand and treat this condition.

Although fibromyalgia still has no definitive "cure" in the traditional sense, advances in mitochondrial and epigenetic medicine now offer us, for the first time, tools to intervene directly in the cellular mechanisms that fail in the body. In this article, we'll explore how Nicotinamide Riboside (NR) and other supportive therapies are opening up a new era of relief and hope.

1. What is fibromyalgia, really? Beyond central pain

Historically, fibromyalgia was thought to be purely a central sensitisation disorder — in other words, the brain simply "turning up the volume" on pain to excessive levels. This certainly does happen, but current science tells us it's a secondary event.

While fibromyalgia is multifactorial (genetics, infections, emotional stress, trauma), systemic bioenergetic crisis (mitochondrial dysfunction) is now considered one of the central organic mechanisms behind its symptoms, debunking the idea that it's a purely psychological condition.

Picture your cells as cities: in fibromyalgia, the power stations (the mitochondria) are damaged. Not only do they produce less energy (ATP), but they also generate "pollution" in the form of reactive oxygen species (ROS), or oxidative stress.

The cascade of cellular damage

This imbalance isn't invisible; it leaves clear biological traces that 2025 studies have identified:

Lipid peroxidation: Damage to cell membranes, measured by the marker Malondialdehyde (MDA), is significantly elevated in fibromyalgia patients.
Electron leakage: A lack of Coenzyme Q10 causes mitochondria to "leak" electrons, which increases deep pain and fatigue.
Epigenetic erosion: Chronic stress and low energy levels cause an "acceleration of biological age", where cells lose their capacity for self-repair.

2. Nicotinamide Riboside (NR): Fuel for repair

At the heart of this energy crisis lies the depletion of a vital molecule: NAD+. NAD+ is the essential electron carrier for producing energy, and the fuel that sirtuins need to repair damaged DNA.

Nicotinamide Riboside (NR) has emerged as the most efficient and promising precursor of NAD+. Clinical trials from 2025 show that doses of up to 2000 mg/day can raise blood NAD+ levels almost 3-fold within a few weeks.

How does NR benefit a fibromyalgia patient?

Supplementing with NR isn't just "taking a vitamin"; it's a precision metabolic intervention that acts on several fronts:

Reduced fatigue: By improving the efficiency of the mitochondrial respiratory chain, cells regain their ability to generate genuine energy.
Mental clarity (goodbye "fibro-fog"): Rising NAD+ levels improve synaptic plasticity and executive function (planning and memory), areas heavily affected by the condition.
Sleep synchronisation: NAD+ regulates circadian rhythms, helping sleep become more restorative — one of the biggest challenges for these patients.

3. Magnesium and its "speciation": Not all forms are equal

One of the most common mistakes is taking just any type of magnesium. Science in 2025 highlights that the chemical form determines where the supplement will act in the body.

Magnesium guide for fibromyalgia:

Form of Magnesium	Main Benefit	Ideal Use
Magnesium Malate	Supports ATP production in the muscles.	Physical fatigue and weakness during the day.
Magnesium Bisglycinate	Calms the nervous system and crosses the blood-brain barrier.	Insomnia, anxiety and night-time pain.
Magnesium L-Threonate	Raises magnesium levels in the brain.	Memory decline and lack of concentration.

Using a "double salt" strategy (Malate during the day, Bisglycinate at night) has become a standard protocol for maximising relief.

4. Supporting Therapies: Enhancing the Effect of NR

For NR to work optimally, it needs "teammates" that stabilise the cellular environment.

Coenzyme Q10 (CoQ10): Acts as a protective shield for the mitochondria, reducing muscle pain and nerve hyperexcitability.
Vitamin D: More than just a vitamin, it acts as a hormone that regulates nociplastic pain. Levels above 40 ng/mL are critical for reducing systemic inflammation.
D-Ribose: This natural sugar helps cells replenish their energy stores (ATP) much more quickly after physical exertion, shortening recovery times.
Acetyl-L-Carnitine (ALC): Has been shown to be as effective as some conventional medications for musculoskeletal pain, with the added benefit of also improving mood.

5. Strategic and Nutritional Recommendations

It's not all about supplements; what we remove is just as important as what we add.

Avoid Excitotoxins: Monosodium glutamate (MSG) and aspartame can "overexcite" neurons, increasing sensitivity to pain.
Anti-inflammatory Diet: Diets rich in polyphenols and Omega-3 protect neuronal membranes and help restore nitric oxide levels.

Summary of the Suggested Protocol (Always consult your doctor):

Level 1 (Foundation): NR (1000-2000 mg) + CoQ10 (200-400 mg) + Vitamin D.
Level 2 (Symptomatic): Magnesium Malate (day) and Bisglycinate (night).
Level 3 (Recovery): D-Ribose if there is extreme fatigue after exercise.

Conclusion

Fibromyalgia is a complex condition, but it's no longer an unfathomable mystery. By understanding it as an energy crisis and an epigenome dysregulation, we can stop trying to "force" the brain with powerful painkillers and start modulating it with precision. Nicotinamide Riboside represents that piece of natural engineering that, together with smart nutrition and targeted supplementation, allows patients to reclaim not only their rest, but their quality of life.

Sources used

Redox reactions in chronic pain: mechanisms and relevance in fibromyalgia.

Use of the Dietary Supplements NR and NMN to Increase Nicotinamide Adenine Dinucleotide, Impact Mitochondrial Function, and Improve Metabolic Health.

Antioxidant Treatments for Fibromyalgia.

NADream: Effects of Nicotinamide Adenine Dinucleotide Supplementation on Sleep Quality in Healthy Individuals (NADream)

The divergent effects of nicotinamide riboside and high-intensity exercise training on skeletal muscle epigenetic aging.

The Rebirth of Cells: How Yamanaka Factors are Redesigning Human Ageing

2026-03-04T09:26:28.000Z

For centuries, humanity has accepted ageing as an inevitable process of decline, a biological "sentence" we simply have to accept. However, well into 2026, science has taken a radical turn. We no longer see the passage of time as an irreparable loss of information, but as a "reading error" that can be corrected.

Imagine your body is a computer and your DNA is the programming code. Over the years, the software fills up with errors ("bugs") and the system slows down. Epigenetic reprogramming is, in essence, the "reset" button that returns your cells to their factory settings: a youthful, functional state, full of energy.

What are the Yamanaka Factors?

To understand this milestone, we need to travel back to 2006, when the Japanese scientist Shinya Yamanaka discovered that he could convert an adult cell (such as a skin cell) into an embryonic stem cell. He achieved this using four master proteins, now known worldwide as the Yamanaka Factors: OCT4, SOX2, KLF4 and c-MYC (abbreviated as OSKM).

This discovery, which earned him the Nobel Prize, showed that a cell's identity is not fixed. However, there was a problem: if we fully reprogramme a person's cells, they lose their function (a neurone would stop being a neurone), which would cause organ failure or cancer.

The solution: Partial Reprogramming

The real revolution today is transient reprogramming. Instead of resetting the system completely, scientists apply these factors for very brief periods. The result is astonishing: the cell regains its youthful vitality but keeps its identity. A heart cell remains a heart cell, but now it beats with the strength of a young cell.

The Information Theory: Why do we age?

Modern research proposes the Information Theory of Ageing. This suggests that our cells don't age because their DNA breaks down, but because they lose the ability to read it correctly due to epigenetic "noise".

As we age:

DNA becomes poorly packaged (loss of chromatin).
Incorrect chemical marks appear (DNA methylation).
The cell nucleus becomes deformed.

The Yamanaka factors act as a molecular clean-up crew that removes this noise, allowing the cell to "read" its instructions for health and youth once again.

Real Benefits: From Theory to the Clinic in 2026

What does this mean for you? It's not just about living more years, but about living them in good health (Healthspan). Here are the most promising applications already underway:

1. Restoring Vision

One of the most well-documented successes (led by Dr David Sinclair) has been the treatment of glaucoma and age-related vision loss. Using an optimised version called the OSK protocol (which removes the c-MYC factor for greater safety), researchers have managed to regenerate the optic nerve in primates and mice, restoring their sight. The ER-100 clinical trial is currently the first in humans to treat these eye conditions.

2. Brain Health and Cognition

Partial reprogramming in the brain has proven capable of:

Increasing neurone survival.
Improving memory and learning by restoring synaptic plasticity.
Reducing biomarkers associated with Alzheimer's, such as beta-amyloid plaques.

3. Organ and Tissue Regeneration

In animal models, this treatment has extended lifespan by 30%, improving skin healing, pancreatic function and muscle strength. In 2026, companies such as Retro Biosciences and NewLimit are using Artificial Intelligence to design synthetic versions of these factors (such as RetroSOX), which are 50 times more potent and far safer than the originals.

Safety and the Future: A Pill for Youth?

Although these therapies initially require genetic engineering (using harmless viruses to deliver the factors), science is moving towards chemical reprogramming. "Cocktails" of conventional drugs are being tested that could induce these same effects without altering DNA, allowing for more uniform and safer treatment.

The Epigenetic Clock: Measuring Success

To find out whether these therapies are working, doctors use "methylation clocks", such as DunedinPACE. This test acts as a "speedometer" for your biological ageing, allowing treatment to be adjusted according to how quickly your body is rejuvenating at the cellular level.

Ethics and Access: The Great Challenge

The potential is immense, but it raises serious questions. If ageing is treatable, will it be a luxury only for the few? It's estimated that increasing global healthy life expectancy by just 2.5 years would generate an economic value of 38 trillion dollars. The challenge for 2026 and beyond is to ensure these "personalised cures" reach public health systems.

Conclusion

We are leaving behind the era of medicine that merely "patches" symptoms. With Yamanaka factors, we are entering the era of systemic regenerative medicine. The ultimate goal is not immortality, but that at 80 or 90 years old, our cells retain the homeostasis and energy of a 30-year-old.

Ageing has gone from being a fate to being a dynamic state and, for the first time in history, a treatable one.

Sources used

Los Factores Yamanaka y la Reprogramación Celular Parcial

Revertir el envejecimiento, cada vez más cerca

Epigenetic Reprogramming as a Tool for Molecular Regeneration and Disease Reversal

Científicos de Harvard logran revertir el envejecimiento celular reprogramando las células

Plastic Surgery Update on Epigenetic Reprogramming of Aging (ERA): Mechanisms, Pathways and Strategies toward Cell-Free Aesthetic Rejuvenating Applications

Mechanisms, pathways and strategies for rejuvenation through epigenetic reprogramming

And while science advances and becomes more accessible, there's already something you can do directly to support the better functioning of your mitochondria and, in turn, your cells: taking supplements such as Nicotinamide Riboside (NR), which raises NAD+ levels in the body, optimising cellular energy production (ATP), protecting DNA integrity and strengthening the resilience of tissues with high metabolic demand, such as the heart, brain and retina, against the deterioration caused by ageing.

At Lifexpan we offer it in this version:

Or in this Combo for your Longevity

The Code of Life Edited "to Order": The Case of KJ Muldoon and the Revolution in Personalised Medicine

2026-02-23T17:34:08.000Z

For decades, receiving a diagnosis of a rare genetic disease was, for many families, a final sentence. Their children's biological "instruction book" contained a typo that medicine had no way of correcting. Yet between 2025 and 2026, the paradigm has shifted dramatically. What was once science fiction is now a clinical reality: the ability to rewrite faulty genes in a way that is personalised, fast and safe.

The case of KJ Muldoon, an infant treated with a gene-editing therapy designed exclusively for him in just six months, marks a milestone that redefines what is possible within the global healthcare system.

The Challenge: A Lethal Metabolic Error

KJ's story begins with a condition called carbamoyl phosphate synthetase 1 (CPS1) deficiency. To understand it, picture the liver as a chemical recycling plant. One of its most critical jobs is converting ammonia (a toxic waste product created when we eat protein) into urea, which is then removed through urine.

In KJ's case, the enzyme responsible for kick-starting this process (CPS1) wasn't working, due to two specific errors in his DNA. As a result, within 48 hours of being born, his blood ammonia levels were 50 times higher than normal. This build-up is extremely dangerous: it attacks the brain directly, causing irreversible damage or death within days if left untreated.

Until now, doctors could only offer stopgap solutions: protein-free diets, drugs to divert the toxin, or, at best, a high-risk liver transplant. None of these options solved the root problem: the error within the genetic code itself.

The Tool: The "Chemical Pencil" (Base Editing)

To save KJ, scientists didn't use the traditional "scissors" of CRISPR (which cut DNA), but a far more precise second-generation technology known as Base Editing.

If DNA is a text made up of four letters (A, C, G and T), KJ had a "C" where there should have been a "T". The Base Editor works like a pencil and an eraser: it locates the faulty letter and, through a chemical reaction, converts it into the correct one, without needing to cut the DNA strand at all. This is essential for safety, as it avoids accidental breaks that could cause other genetic problems.

A Logistical Milestone: From Sequencing to Cure in 180 Days

What's most astonishing about the Muldoon case isn't just the technology, but the speed. Developing a conventional drug usually takes a decade. Here, the multidisciplinary team achieved the entire cycle in just six months:

September 2024: The exact mutation is identified through rapid sequencing.
October–December 2024: The personalised editor is designed and tested in animal models and human cells to confirm it works.
January–February 2025: The drug is manufactured under strict quality controls.
25 February 2025: KJ receives his first dose.

This "sprint" was made possible by an unprecedented collaboration between universities, hospitals and biotech companies, all working in parallel to bypass bureaucratic bottlenecks without compromising safety.

Results: A Life Transformed

Today, in 2026, the results are unequivocal. KJ Muldoon is no longer a critically ill patient. Reports show he's reaching the normal developmental milestones for a child his age: he walks, plays and throws a ball.

Most importantly, he shows real resilience. Previously, a simple cold could send his ammonia levels soaring and put him into a coma. Recently, he's fought off common viral infections without any dangerous spikes in his chemical levels. His once-lethal condition has become a manageable one.

The Situation in Spain: The "Únicas" Network and Sant Joan de Déu Hospital

Spain hasn't been left behind in this revolution. Through the "Únicas" Network, an alliance of 30 hospitals led by Sant Joan de Déu Hospital (HSJD) in Barcelona, a similar model is being rolled out so that a child's postcode no longer determines whether they survive.

Dani's Case

While KJ was being treated in Philadelphia, in Barcelona doctors were caring for Dani, a boy with a neurodegenerative disease called SPG50. In September 2025, Dani received an experimental gene therapy at Sant Joan de Déu. Although the technique was different (a healthy copy of the gene was added using a harmless virus), the goal was the same: to halt a disease that would have left him unable to walk or speak.

To support these advances, the new Únicas SJD building is opening in Barcelona in 2026. Spanning 14,000 square metres, this centre will house laboratories capable of manufacturing these "bespoke therapies" on-site, cutting down on both time and cost.

The Future: Genetic Hardware and Software?

The big challenge now is cost and scale. These therapies cost millions of euros per patient. To tackle this, experts are proposing a shift in mindset: treating gene therapy like a computer system.

Hardware (Fixed): The delivery system (nanoparticles) and the editing machinery. Once proven safe, these shouldn't need to be re-evaluated from scratch for every child.
Software (Variable): The small guide sequence that tells the drug where to act.

If we manage to standardise the "hardware", we'd only need to change the "software" (the sequence of letters) for each patient, allowing treatment for rare diseases to move from being an extraordinary event to a standard procedure.

Conclusion

Medicine in 2026 is no longer content with just easing symptoms; it now aims to correct the underlying errors. The story of KJ Muldoon and children like Dani in Spain shows that we're learning to edit the book of life to remove the typos that cause suffering.

The challenge for the coming years will be ensuring this technology is accessible to public health systems everywhere, so that every child, no matter how rare their mutation, has the right to a personalised cure. The era of precision medicine is here to stay.

Sources used

Aldevron and Integrated DNA Technologies Manufacture World’s First mRNA-based Personalized CRISPR Therapy.

Behind the breakthrough: How Integrated DNA Technologies and Aldevron enabled the world’s first personalized CRISPR therapy

First patient treated with personalised CRISPR therapy, developed in just six months

Dani, the first three-year-old in the world to receive gene therapy to fight an ultra-rare disease

Únicas, care for rare diseases.

NAD+ and glaucoma prevention

2026-02-17T09:46:35.000Z

Modern medicine is undergoing a profound shift in the way it understands visual decline. For decades, glaucoma was diagnosed and treated almost exclusively through a mechanical lens: intraocular pressure rises, compresses the optic nerve fibres, and these die as a result of structural damage.

However, this model fails to explain why so many patients with normal pressure still lose their sight, or why others continue to worsen despite having their pressure under control. The answer is emerging from retinal neurobiology, specifically through the study of a fundamental molecule called nicotinamide adenine dinucleotide (NAD+).

To understand why NAD+ sits at the very centre of eye health, we need to look at the retina as a structure with a voracious metabolic demand. In biophysical terms, the retina is the most costly tissue to maintain in the human body, surpassing even the brain in its oxygen and glucose consumption per gram of tissue.

This demand is not optional. For instance, photoreceptors carry out a titanic metabolic effort during total darkness in order to maintain a constant flow of ions known as the dark current. NAD+ is the essential cofactor that allows mitochondria to convert nutrients into the chemical energy needed to keep electrical signalling running without pause.

Glaucoma and the Failure of Axonal Bioenergetics

When NAD+ levels begin to decline naturally with age, the retina enters a state of extreme vulnerability. In the context of glaucoma, the main players are the retinal ganglion cells. These neurons extend their axons the entire length of the optic nerve to connect with the brain.

Their axons lack myelin insulation along their initial stretch, meaning they burn through a disproportionate amount of energy simply to maintain their ability to send signals.

If NAD+ becomes scarce, adenosine triphosphate (ATP) production falls and these cells enter a bioenergetic crisis. Before it becomes a loss of nerve fibres, glaucoma is a failure of the cell's engine.

The Salvage Pathway and NAD+ Regeneration

Scientific research has revealed that the retina has a recycling capacity through the salvage pathway. Rather than building all of its NAD+ from scratch, the eye prefers to take the by-products of cellular metabolism and reconstruct them.

In this process, an enzyme called nicotinamide phosphoribosyltransferase (NAMPT) acts as the system's rate-limiting component. With age, this recycling machinery loses efficiency, creating a metabolic gap that paves the way for neurodegeneration.

SARM1: The Mechanism of Programmed Axonal Fragmentation

One of the most important discoveries of the last decade is the role of the SARM1 protein. We now know that the death of an axon is not passive, but rather an active, programmed process.

SARM1 acts as an NAD+ sensor: while levels of this molecule remain high, the protein stays inactive. But when the balance between precursors and final NAD+ becomes disrupted, SARM1 switches on its enzymatic function and destroys the remaining NAD+ on a massive scale, triggering Wallerian degeneration, or fragmentation of the axon.

Parthanatos: Energy Depletion Through DNA Repair

Inside the neuronal cell body, genetic damage activates a repair enzyme called PARP1. Under conditions of chronic stress, as occurs in advanced glaucoma, PARP1 consumes NAD+ at a rate that outpaces the cell's synthesis capacity.

This frantic consumption depletes cellular reserves, halting mitochondrial respiration and driving the cell towards death through energy collapse, known as parthanatos. Photoreceptors are especially sensitive to this disruption.

Intervention Strategies and Metabolic Precursors

The possibility of intervening through supplementation with NAD+ precursors has opened up a new chapter. Substances such as nicotinamide have shown considerable protective capacity in animal models.

By improving mitochondrial metabolism, neurons become more resilient to elevated intraocular pressure. However, choosing the right precursor is critical. While nicotinamide mononucleotide (NMN) and nicotinamide riboside (NR) are effective at raising levels, their use in very elderly patients requires professional supervision.

Clinical Safety and Synergies with Other Biomodulators

Using therapeutic doses requires close attention to safety, particularly liver function, to avoid hepatotoxicity from saturation.

What's more, NAD+ doesn't work alone. Melatonin, by supporting cofactor recycling, and extracts such as saffron, used to optimise retinal electrical response, are key to the future of precision eye health.

Conclusions: Towards a Medicine of Metabolic Precision

The evolution in the study of NAD+ marks the start of an era in which managing glaucoma stops being a mechanical battle and becomes an intelligent management of cellular bioenergetics. When we ensure that neurons have the resources to repair their DNA, we turn vulnerable cells into resilient structures.

Preserving vision in the 21st century calls for a proactive approach that pays attention to mitochondrial infrastructure. By prioritising NAD+ homeostasis, we're not just addressing a disease; we're nourishing the eye's intrinsic capacity to keep functioning. Science has deciphered the retina's energy language; applying it is now up to us.

Main sources

Implications of NAD⁺ Metabolism in the Aging Retina and Retinal Degeneration

Neuroprotection in Glaucoma: NAD⁺/NADH Redox State as a Potential Biomarker and Therapeutic Target

Preventive and Protective Effects of Nicotinamide Adenine Dinucleotide Boosters in Aging and Retinal Diseases

“Energetics of the outer retina II: Calculation of a spatio-temporal energy budget in retinal pigment epithelium and photoreceptor cells based on quantification of cellular processes”

Molecular mechanisms of cell death by parthanatos: More questions than answers

Short-term high-dose nicotinamide treatment across glaucoma subtypes reveals increased mtDNA content and minimal metabolomic change in blood

Oxidative DNA Damage Drives Apoptotic Photoreceptor Loss in NMNAT1-Associated Inherited Retinal Degeneration: A Therapeutic Opportunity

The role of NAD⁺ metabolism and its modulation of mitochondria in aging and disease

Update on Nicotinamide and Its Application in the Management of Glaucoma

Investigating Nicotinamide and Pyruvate for Glaucoma Neuroprotection

Our products:

LifeXpan® NR 60 is an advanced and unique form of vitamin B3, designed to combat ageing and fatigue. By adding it to your daily routine, you can boost your NAD+ levels, essential for cellular energy and mitochondrial health, and help prevent conditions such as glaucoma, as we've just explained.

Natural Health Melatonin isn't just a sleep supplement; it's a biohacking tool designed to optimise your inner biology. While traditional capsules have to pass through the digestive system, our 50ml liquid formula guarantees ultra-fast absorption.

The Awakening of "Zombie Cells": How Cutting-Edge Science is "Slowing Down" Ageing

2026-02-03T17:02:25.000Z

Imagine that in a city, some buildings fall into such disrepair that they can no longer house offices or homes. Yet, instead of being demolished, they remain standing: empty, giving off toxic fumes and debris that damage the healthy structures around them. In our bodies, this happens on a microscopic scale, and it has a name that sounds straight out of science fiction: zombie cells.

Scientifically, we know them as senescent cells. These are cells that have suffered damage—whether through ageing, stress or radiation—and which, to avoid becoming cancerous, activate a safety mechanism that stops them from dividing further. The problem is that they don't die. They remain in a kind of biological "limbo", building up in our organs and secreting a cocktail of inflammatory substances that "poison" the healthy cells around them.

Below, we'll explore how science is learning to "clear out" these cells and, more importantly, what we can do today to stop our bodies from becoming a zombie graveyard.

1. The Anatomy of a Cell Zombie: Why Don't They Die?

To understand these cells, we need to talk about their "armour". Normally, when a cell is severely damaged, it activates a process called apoptosis (programmed cell death, or "cellular suicide"). It's the body's way of keeping house clean.

Zombie cells, however, are experts at survival. They use specific signalling pathways called SCAPs (Senescent Cell Anti-apoptotic Pathways). It's as if they hack the body's self-destruct system in order to stay active.

From this position, they release what's known as SASP (Senescence-Associated Secretory Phenotype). This "poison" is a mix of inflammatory proteins and enzymes that break down tissue. If you only have a few zombie cells, the body clears them away easily. But with age, our immune system slows down and these cells start to gain the upper hand, causing what scientists call "inflammaging": a chronic, low-grade inflammation that provides fertile ground for Alzheimer's, diabetes and heart disease.

2. Critical Advances and Challenges (2024–2025): From Mice to Humans

We're living through a historic moment. We're no longer just rejuvenating mice in the lab; we're now well into human trials. Over the past year, Geroscience—the discipline that seeks to treat ageing as the root cause of all disease—has made huge strides forward.

The success of local precision

In 2024 and 2025, we've learnt that "less is more". Rather than giving a pill that travels throughout the entire body, the best results are being seen with localised treatments.

Ophthalmology: Drugs (such as UBX1325) have been trialled, injected directly into the eye to treat vision loss caused by diabetes. By clearing zombie cells only in the retina, vision is restored without affecting the rest of the body.
Joints: Recent trials show that clearing senescent cells from knees affected by osteoarthritis reduces pain and allows the cartilage to begin repairing itself.

The challenge of "Senotyping"

The great challenge of 2025 is that not all zombies are alike. A zombie cell in the brain is different from one in the skin. Science is now working on senotyping: identifying exactly which type of zombie cells each patient has, in order to give them the right "cleaner" (senolytic).

3. Lifestyle as Applied Geroscience

This is where you come in. You don't have to wait for a pharmaceutical company to approve the "fountain of youth serum" in 2030. You can apply geroscience today. Your lifestyle is, in fact, the most powerful intervention available to stop your healthy cells from turning into zombies.

Exercise: The Free Senolytic

Physical exercise, particularly strength training combined with high-intensity cardio, is the best cellular "street sweeper". Movement activates autophagy (cellular recycling) and helps the immune system detect and destroy cells that have become stuck. It's not just about looks; it's a deep biological clean-up.

Sleep: Repairing the Genome

While you sleep, your body activates DNA repair brigades. If you cut back on sleep, DNA damage builds up, and a cell with damaged DNA is the perfect candidate to turn into a zombie.

4. Nutrition and Smart Supplementation

Diet is our first line of defence. Some natural compounds have shown gentle "senolytic" abilities, meaning they help eliminate damaged cells or, at the very least, silence their poison (SASP).

The polyphenol-rich diet

Eating foods rich in quercetin (red onion, capers) and fisetin (strawberries, persimmons) is essential. These polyphenols act as modulators that make it harder for senescent cells to survive.

Advanced Supplementation: Support from Lifexpan.eu

Sometimes, diet alone isn't enough to counteract the wear and tear of modern life (stress, pollution, blue light). This is where strategic supplementation comes into play to support mitochondrial function and cellular longevity. On specialised sites such as Lifexpan.eu, you'll find tools designed with this scientific logic in mind:

NAD+ Activators: NAD+ is the fuel your repair enzymes need to fix DNA. If NAD+ levels are low, the cell gives up and becomes senescent. Supplements such as Nicotinamide Riboside (NR) help keep these levels high, which is key for longevity.
Mitochondrial Antioxidants: As we saw in recent research, melatonin, N-Acetyl L-Cysteine (NAC) and other specific antioxidants protect the cell's "engine" (the mitochondria). A healthy mitochondrion stops the cell from turning into a zombie.
Highly Absorbable Magnesium: Specifically, Magnesium Bisglycinate is essential for over 300 biochemical reactions, including DNA stability.

5. The Future: Repairing Instead of Eliminating?

The most exciting frontier of 2025 isn't just killing zombie cells, but reprogramming them. Spanish scientists such as Manuel Serrano are leading research into partial cellular reprogramming. The idea is to introduce factors that "clean" the marks of time from a cell's DNA, making it young and functional again without needing to eliminate it.

We're moving from a medicine that patches things up to a medicine that regenerates.

Conclusion

Zombie cells are a natural part of ageing, but it's their excessive build-up that makes us ill. The good news is that ageing is no longer seen as a one-way street.

Through a combination of lifestyle (exercise and sleep), mindful nutrition and smart supplementation such as that offered by Lifexpan.eu, we have the power to manage our zombie cell load. It's not just about living more years, but about ensuring that every one of our cells keeps working at full capacity, keeping us vital, sharp and active right up to the very last day.

Your biology is not your destiny; it's a system that, for the first time in history, you can now learn to optimise.

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The senescence-associated secretory phenotype and its physiological and pathological implications.

Mechanisms of Cellular Senescence: Cell Cycle Arrest and Senescence Associated Secretory Phenotype.

Cellular senescence: another of the ageing markers studied by the science of longevity.

Cellular senescence: mechanisms and relevance to cancer and aging

Cellular senescence in age-related cardiovascular disease: past and future

Would you like to know how to start your own longevity protocol? Explore the options at Lifexpan.eu and start investing in your cellular health today.

How melatonin works in the mitochondria and shapes your longevity

2026-01-28T06:32:08.000Z

For decades, science taught us that melatonin was simply the "sleep hormone", a chemical signal telling the body that night has fallen. However, the most recent research has turned this perception completely on its head. We now know that melatonin is, in fact, a ubiquitous and fundamental regulatory molecule for cellular survival, with a presence that stretches back to the very origins of biological life.

In fact, its production in the gastrointestinal tract, retina and bone marrow far exceeds that of the pineal gland. But the most fascinating discovery isn't in the quantity, but in its destination: the mitochondria.

Understanding the link between melatonin and mitochondria opens the door to a new understanding of metabolic health and ageing. In this article, we'll explore how this molecule acts as the central axis of our bioenergetics and why its deficiency is a critical factor in biological decline.

The Mitochondrial Axis: The engine of life

To understand longevity, we need to understand the mitochondria. These organelles not only produce the energy (ATP) that allows us to move, think and breathe, but they are also the main site of free radical (ROS) production. This is where the paradox of life lies: to produce energy, our cells must "burn" fuel, and this process generates oxidative waste that, if left unchecked, destroys the very factory producing the energy.

Melatonin has an exceptional affinity for mitochondria. Unlike other antioxidants that struggle to cross cell membranes, melatonin enters with ease and accumulates at much higher concentrations than in the blood. It isn't there by chance; it's there to orchestrate bioenergetics.

Optimising the energy factory

Melatonin doesn't just clear away waste; it improves the efficiency of energy production. It interacts directly with the complexes of the electron transport chain, stabilising cardiolipin — an essential lipid of the inner mitochondrial membrane. By doing this, it reduces electron "leakage", meaning we produce more energy with less collateral damage (fewer free radicals).

The Mitochondrial Quality Control system (MQC)

Longevity depends on our cells' ability to keep their engines clean and functional. Melatonin regulates what science calls the MQC, which is based on three critical processes:

Biogenesis: It stimulates the creation of new mitochondria via the PGC-1\alpha pathway. It's like fitting new engines into an old car.
Dynamics (Fusion and Fission): It regulates how mitochondria join together to share resources or split apart to isolate damaged parts.
Mitophagy: This is perhaps the most relevant point for longevity. When a mitochondrion is too damaged to function, melatonin triggers its selective removal. This stops the defective organelle from releasing cell death signals (apoptosis) and damaging neighbouring cells.

Why and when should we take melatonin?

Despite its critical importance, our body's ability to produce melatonin is neither infinite nor constant. There are specific scenarios where supplementation becomes not just useful, but necessary to preserve the mitochondrial axis.

1. The "Age Gap" (Immunosenescence)

As we age, melatonin production declines dramatically. This decline is one of the markers of biological ageing and is directly linked to the loss of mitochondrial mass and the weakening of the immune system. A person over 50 produces only a fraction of the melatonin they produced at 20, leaving their mitochondria vulnerable to chronic oxidative stress.

2. Disruption of the Circadian Rhythm and Blue Light

We live in an age of "light pollution". Exposure to blue light from screens and LED bulbs at night inhibits pineal melatonin secretion. People who work night shifts, suffer from jet lag or have irregular sleep habits show a persistent functional deficiency that affects their cellular recovery.

3. Chronic Inflammation and Gut Health

If you suffer from intestinal permeability, gastro-oesophageal reflux (GORD) or systemic inflammation, your gut melatonin levels may be compromised. Melatonin is crucial for maintaining the tight junctions of the gut; without it, toxins leak into the bloodstream, increasing the oxidative burden on mitochondria throughout the body.

4. Neurodegenerative and Metabolic Diseases

In cases of early diagnosis of Alzheimer's, Parkinson's or even insulin resistance, the demand for mitochondrial antioxidants outstrips endogenous production. Here, melatonin is used to stabilise the respiratory chain and prevent neuronal death.

Why does the format matter? Why liquid melatonin?

Research highlights a common problem: melatonin in tablet form has very low bioavailability (barely 15%) because the liver breaks it down before it reaches the bloodstream.

The sublingual spray or nanoemulsion format is at the forefront of this field. Absorbed through the mucosa of the mouth, melatonin enters the bloodstream directly, reaching peak concentrations up to twice as fast as a tablet. This allows lower doses to be used with much more potent, direct effects on the mitochondrial axis.

Synergies for Longevity

To boost melatonin's effect on bioenergetics, science suggests combining it with specific co-factors:

Magnesium Bisglycinate: This is the necessary co-factor for synthesising melatonin. Magnesium also relaxes the nervous system, allowing melatonin to focus on its job of mitochondrial repair during sleep.
Nicotinamide Riboside (NR): NR raises NAD+ levels, the fuel of the mitochondria. Together, NR and melatonin act on epigenetic clocks, helping to synchronise the circadian rhythms of organs such as the liver and brain.

Conclusion

Melatonin is not a sedative; it's a molecule of biological maintenance. Acting as the central axis of mitochondrial health, it ensures our cells produce energy cleanly and efficiently. Keeping optimal levels of this substance is, in essence, protecting our bioenergetics against the wear of time.

If you're pursuing longevity, don't just look at how much you sleep, but how your mitochondria are doing. And in that battle for energy and life, melatonin is one of your best biochemical allies.

Sources used

Melatonin as a mitochondrial protector in neurodegenerative diseases

Melatonin: Buffering the Immune System

Melatonin, Immune Function and Cancer

Melatonin for the treatment of gastroesophageal reflux disease; protocol for a systematic review and meta-analysis

The potential therapeutic effect of melatonin in gastro-esophageal reflux disease.

Melatonin as a Guardian of Mitochondria: Mechanisms and Therapeutic Potential in Neurodegenerative Diseases

The potential influence of melatonin on mitochondrial quality control: a review.

Melatonin—A Powerful Antioxidant in Neurodegenerative Diseases.

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Everything you need to know about magnesium bisglycinate

2026-01-06T10:03:39.000Z

Magnesium is, without exaggeration, the conductor of our biology. Picture a factory with thousands of machines running at once; magnesium would be the electricity that lets every cog turn. It's involved in more than 800 chemical reactions in our body, from energy production to repairing our DNA. And yet, despite its importance, we live in an era of silent deficiency. Farming soils are depleted, and our processed diets have pushed this mineral off the table.

If you've ever suffered from nighttime cramps, fatigue that coffee just can't shift, unexplained anxiety or insomnia, chances are your body is sending out distress signals due to low magnesium. But here's the tricky part: you go to the pharmacy and find ten different types of magnesium. Which one should you choose? Current science points to magnesium bisglycinate as the gold-standard option. In this guide, we'll explain why this specific form really makes the difference and how it can transform your health.

A bit of history: the birth of better absorption

The story behind this supplement isn't about marketing, it's about biochemical engineering. For decades, magnesium supplements were "inorganic salts" (like magnesium oxide). The trouble was that these salts behaved like a marble trying to squeeze through a very fine net: most of it stayed outside and ended up causing stomach irritation or a laxative effect.

In the 1950s, Dr Harvey Ashmead revolutionised mineral nutrition by proposing chelation. His idea was to "disguise" magnesium by binding it to two molecules of an amino acid called glycine. The result was magnesium bisglycinate. This breakthrough allowed the mineral to survive the journey through the stomach and be absorbed via a different, far more efficient route, one that the body recognises as an organic nutrient rather than a simple metal.

How does it work in your body? The nutritional "Trojan Horse"

To understand why bisglycinate is superior, picture the gut as a border with different entry gates. Most minerals try to get in through the "ion gate", which is always congested and where they compete with calcium or iron. Magnesium bisglycinate, on the other hand, uses a peptide transport mechanism.

Because it's bound to glycine, magnesium slips in through a side gate reserved for proteins. It's a kind of nutritional "Trojan Horse": the body spots the glycine, lets it through quickly, and once inside, releases the magnesium exactly where it's needed most. This route is much faster and doesn't compete with other minerals, ensuring that what you pay for and consume actually ends up in your cells rather than down the toilet.

Problems that bisglycinate helps to solve

This mineral's impact is systemic, meaning it reaches nearly every corner of your body. Here are the main areas where magnesium bisglycinate offers real solutions:

1. The end of insomnia and anxiety

This is perhaps its most celebrated benefit. Bisglycinate combines magnesium with glycine, an amino acid that also acts as a calming neurotransmitter. Together, they help soothe the central nervous system, lower cortisol levels (the stress hormone) and prepare the brain for deep, restorative sleep. It doesn't work like a chemical sleeping pill that knocks you out, but rather improves the structure of your sleep so you wake up genuinely rested.

2. Muscle recovery and goodbye to cramps

If you play sport or suffer from restless legs, magnesium is your best ally. It helps muscles relax after contracting. Without enough magnesium, your muscles stay in a state of mild tension that leads to cramps, twinges and a much slower recovery after exercise.

3. The switch for Vitamin D and energy

Lots of people take Vitamin D but don't see results. The reason is that magnesium is the "switch" needed to activate Vitamin D in the liver and kidneys. Without it, vitamin D stays inactive in your blood. It's also essential for producing ATP, the energy currency of our cells. If you feel chronically tired, your cellular "batteries" may not have enough magnesium to work properly.

How long before I see the benefits?

Unlike a painkiller that works in 20 minutes, magnesium works cumulatively, refilling the stores in your tissues.

Immediate effects (1 to 3 hours): Muscle relaxation and a slight sense of mental calm can be noticed from the first dose, especially if taken before bed.
Short-term effects (1 to 2 weeks): Noticeable improvement in sleep quality, fewer cramps and greater mood stability.
Long-term effects (1 to 3 months): Regulation of blood pressure, improved bone density and a full optimisation of energy levels and the immune system.

Practical guide: Dosage and ideal timing

Personalisation is key, but there are general guidelines backed by science to get the most out of it:

The best dose

For most adults, a dose of 200 to 400 mg of elemental magnesium a day is enough to cover deficiencies and see therapeutic benefits. It's important to read the label: make sure it refers to "elemental magnesium" and that the product carries quality certifications such as TRAACS™, which guarantees a true chelate rather than a cheap blend.

The ideal time

For sleep and stress reduction: Take it at night, 30 to 60 minutes before bed. This makes the most of glycine's relaxing effect.
For sporting performance: Take it after training to support muscle repair.
For general metabolic support: You can split the dose: one part with breakfast and another with dinner. This keeps stable levels in the blood throughout the day.

Synergies: What to combine it with to boost it

Magnesium doesn't work alone. If you want to take your health to the next level, consider these combinations:

With Vitamin D: It's essential. As mentioned, magnesium activates the vitamin.
With Vitamin C: Magnesium helps vitamin C enter cells more effectively, boosting your immune system.
With Nicotinamide Riboside (NR): If longevity is your goal, magnesium is the cofactor that allows NR to be converted into NAD+, the molecule of cellular youth.

Safety and contraindications

Magnesium bisglycinate is extremely safe and is the form that irritates the stomach the least. However, there are two important exceptions:

Kidney failure: If your kidneys aren't working properly, they shouldn't process magnesium supplements without strict medical supervision, as excess magnesium could build up.
Interactions: If you're taking antibiotics (tetracyclines or quinolones) or thyroid medication (levothyroxine), space out your magnesium dose by at least 3 hours, as it can reduce the absorption of these medicines.

Conclusion: Should you take it?

If you live in the modern world, get stressed, exercise or simply want to age with vitality, the answer is probably yes. Magnesium bisglycinate isn't an aggressive drug, but an essential nutrient we've lost along the way. By choosing the bisglycinate form, you ensure your body receives the mineral in the gentlest and most effective way possible. It's a small investment for a benefit that ranges from the depth of your sleep to the energy you wake up with every morning.

Sources used

Effects of Magnesium Forms on the Magnesium Balance and Jejunal Transporters in Healthy Rats

Why Does MOXiLIFE® Use Albion™ Minerals?

Study of Magnesium Formulations on Intestinal Cells to Influence Myometrium Cell Relaxation

Hypomagnesemia: a potential underlooked cause of persistent vitamin D deficiency in chronic kidney disease

Magnesium: Biochemistry, Nutrition, Detection, and Social Impact of Diseases Linked to Its Deficiency

The magnesium bisglycinate we produce at Lifexpan is carefully formulated to provide an effective amount of magnesium without exceeding daily requirements, making it safe for ongoing support.

You'll also find it in our Longevity Combo

From Arctic waters to the lab: how the bowhead whale's genome challenges ageing

2025-12-19T10:09:16.000Z

Biological ageing in mammals is closely linked to genomic stability. As our cells divide and face environmental stressors, DNA accumulates damage. When this damage exceeds the body's repair capacity, degenerative diseases and cancer appear.

However, there is one mammal that defies these rules: the bowhead whale (Balaena mysticetus), a mammal weighing 100 tonnes and measuring 20 metres in length. This Arctic cetacean can live for more than 200 years, remaining practically cancer-free despite having 100 trillion cells, a staggering number that, in theory, should exponentially increase its risk of malignant mutations (a phenomenon known as Peto's Paradox).

The discovery of the CIRBP protein

Research led by the University of Rochester and Albert Einstein College of Medicine has identified a key piece in this resistance: the protein CIRBP (Cold-Inducible RNA-Binding Protein).

Genomic analyses revealed that the bowhead whale maintains CIRBP levels up to 100 times higher than other mammals. By transferring the gene for this protein into human cells in the laboratory, scientists observed a dramatic improvement in these cells' ability to correct critical damage, specifically double-strand DNA breaks, which are the most lethal to cell survival.

Mechanism of action: The genetic "conductor"

Unlike other proteins that only repair one type of damage, CIRBP works as an RNA-binding protein. Its main role is to act as a "chaperone", stabilising and speeding up the production of the entire set of proteins responsible for DNA repair. This ensures that the cell's maintenance machinery is always active and ready to intervene in the event of any genomic catastrophe.

The link between cold and longevity

The protein's name, "cold-inducible", reveals its direct connection to the Arctic environment. In mammals, CIRBP production is a survival response to environmental stress.

Temperature hormesis: Exposure to low temperatures (mild hypothermia) stimulates CIRBP production. The bowhead whale, living in freezing waters, keeps this mechanism "switched on" chronically.
Metabolic connection: CIRBP is also activated by fasting or lack of oxygen, linking it to well-known longevity pathways such as AMPK and mTOR, which optimise energy use and cellular clean-up (autophagy).

Is cryotherapy effective in humans?

Although there is great interest in cold showers or ice immersion as a way to replicate this effect, clinical evidence in humans is still limited. A critical point is the anabolic dilemma: extreme cooling after exercise has been shown to reduce muscle protein synthesis by up to 26%, which could accelerate muscle frailty (sarcopenia) if not carried out in a moderate and controlled way.

The medical challenge: CIRBP's double role

Despite its anti-ageing potential, translating this discovery into human medicine faces a complex biological obstacle:

Oncological context: While in the whale CIRBP prevents cancer, in humans it has been observed that, once a tumour already exists, the protein can be co-opted by cancer cells to stabilise their own genes and proliferate.
Inflammatory risk (eCIRP): The greatest danger lies in the extracellular form of the protein. If CIRBP leaves the cell and enters the bloodstream (due to trauma or severe stress), it becomes a pro-inflammatory molecule that can trigger sepsis or systemic shock.

Future outlook

The path towards a "bowhead whale therapy" requires the development of drugs able to increase CIRBP exclusively within the cell. Future strategies will likely combine intracellular activators with agents that block any possible release of the protein to the outside, thereby avoiding inflammatory effects.

This discovery not only promises advances in anti-ageing medicine here on Earth, but also has applications in space medicine, where ultra-efficient DNA repair is vital to protect astronauts from ionising radiation during long-duration missions.

Main sources

DNA repair and anti-cancer mechanisms in the long-lived bowhead whale.

Bowhead whale genome sequencing and analysis

Bowhead whales’ secret to long life may lie in a protein

La ballena boreal de 200 años revela pistas clave para alargar la vida humana

El secreto de la longevidad de las ballenas boreales finalmente identificado y potencialmente aplicable al ser humano.

Ballenas boreales: la proteína que repara el ADN y les ayuda a llegar a los 200 años.

Terremoto en la investigación genética: el ADN de las ballenas podría tener la clave de la longevidad humana.

While longevity research keeps advancing, there are already proven methods just a click away. Take a look at our packs for a longer, healthier life:

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Do You Really Have an Allergy to the Cold?: Debunking Winter Myths, Part II

2025-12-11T10:04:27.000Z

You've surely heard more than one friend say, half-joking, that they have a "winter allergy" right as they step outside and their nose starts running. And while it's not an allergy in the strict sense of the word, they're right that their body is reacting! Let's break down why this happens.

It's Not an Allergy, It's Your Nose Sounding a False Alarm

Nasal inflammation, or rhinitis, comes in two main types: allergic (caused by pollen, dust mites) and non-allergic (caused by irritants or physical changes). What's commonly called "cold allergy" falls into the second category and is scientifically known as Cold-Induced Rhinitis or Vasomotor Rhinitis.

Your nose is much more than a simple opening; it's a highly efficient natural heater and humidifier. Its job is to make sure the air you breathe reaches your lungs warm and moist, so it doesn't damage them.

When you inhale that freezing outdoor air, your nose activates an immediate defence mechanism:

Rapid Dilation: The blood vessels lining your nose suddenly dilate and swell to increase blood flow and warm the air.
Mucus Production: The mucous glands kick into overdrive, releasing fluid to humidify and "trap" the cold.

Hypersensitivity Is the Key

In people who suffer from Cold-Induced Rhinitis, this protective response is, quite simply, excessive. It's as if the switch controlling this system (the trigeminal nerve) is hypersensitive and overreacts to the slightest thermal shock.

The result? The classic, immediate runny nose (Rhinorrhoea), like a tap left running, and a sensation of a blocked nose or congestion caused by the swelling of those blood vessels.

The Key Difference: Reaction vs. Infection

Here's the key to understanding why you're not "ill":

Cold-Induced Rhinitis is an immediate physical reaction to a stimulus (the cold). It disappears as quickly as it appeared once you step into a warm environment, drink a hot coffee, or cover your face with a scarf.

A common cold, on the other hand, is a viral infection that takes days to incubate and lasts between 7 and 10 days, bringing general malaise, a sore throat and, sometimes, a fever. If your nose stops running the minute you get into the car, it's not a cold — it's your nose crying out because of the change in temperature.

Don't Confuse It with a Real "Winter Allergy"

It's important not to mix up cold-induced rhinitis with what is actually known as a "winter allergy":

Seasonal Winter Allergy: This is a reaction to genuine allergens, such as pollen from certain species that flower in colder climates or, more commonly, allergens that build up indoors. Spending more time cooped up indoors with poor ventilation allows dust mites and mould to thrive, triggering the symptoms of a traditional allergy.

In short, when your friends and family complain, tell them they don't have an "allergy" — they have a nose with an overly enthusiastic self-protection mechanism when the temperature drops.

How Can You Help Calm Your Nose?

Now, if your nose is one of these hyperreactive ones, there are a few little tricks to ease the effect. The key is to avoid sudden temperature shocks to the mucous membrane. Simple things like covering your nose and mouth with a scarf before heading outside help to pre-warm the air you breathe in. Indoors, using a humidifier can be your best friend, since dry air is also an irritant. And finally, keeping up a routine of nasal washes with saline solution helps clean the mucous membrane and makes it less sensitive to changes.

Sources used

Alergia en invierno, ¿a qué es debido?

Rinitis (Rhinitis)

Rinitis alérgica

Rinitis Alérgica y No Alérgica

Actualización en rinitis

Rinitis no alérgica

Histamina: De lo que está hecha la alergia

Rinitis: alérgica y vasomotora: ¿cuál es la diferencia?

And before you go, pay attention...

Beyond the temporary state that rhinitis can bring on, always remember to boost your defences in winter and stay healthy. Regular intake of vitamin C won't stop you catching a cold, but its greatest proven benefit, especially for those who take it regularly, is that it can reduce the duration of a cold (often by 8% to 14% in adults and children) and make symptoms less severe.

Will you get sick if you go out with wet hair?: Debunking Winter Myths Part I

2025-12-03T19:09:22.000Z

“Don't go out with wet hair or you'll catch a cold”, “wrap up warm, it's freezing and you could get ill”, “watch out for the change in temperature, it'll give you a cold”. How many times have we heard these expressions? Myth or reality? The truth is that, said like this, they make us believe that cold alone has the power to make us ill.

And the truth is, it doesn't, but in some way they're onto something. Let us explain.

The Three Ghosts of the Common Cold: Myths Under the Microscope

Our culture is full of claims that point to low temperatures as the enemy: the image of leaving the house with damp hair, even in a tropical country after a downpour, is directly linked to coughing and feeling unwell. With the change of season, it's assumed that illness comes hand in hand with falling leaves and the cold. There's also the belief that going from a warm interior to a cold exterior (or an autumn day that suddenly turns freezing) is instant poison for your health.

These stories all share a fundamental error: they blame the messenger (the cold) instead of the real culprit.

Science is clear and unequivocal: the common cold is always caused by a virus, mainly rhinovirus. If you haven't come into contact with the virus, you could bathe in the Arctic and still not fall ill. Icy water and cold air aren't infectious agents; instead, they're a risk factor.

This is where the myth finds its logical basis. The warning was never really about the water, but about susceptibility.

When the body experiences a sudden drop in temperature, whether from freezing winter air, a sharp contrast in temperature, or heat loss through water evaporating from your head, it triggers an emergency mechanism. This mechanism is vasoconstriction, which narrows the small blood vessels in the nose and airways. Picture your nose as a well-guarded fortress; vasoconstriction is like the cold ordering the elite guards (immune cells) to temporarily retreat and protect the central zone (vital organs).

As blood flow drops, local defences slow down. This pause creates a window of opportunity for a virus already floating in the air to settle in and multiply before it's detected. On top of that, the cold makes the rhinovirus more efficient at replicating in the slightly lower temperatures of your nasal cavity.

In essence, cold doesn't make you ill, but it gives the virus a strategic advantage over your inner army.

Shielding the Fortress: Tips to Avoid Colds

To prevent colds, the approach needs to be twofold: keep your immune system on high alert and hinder viral spread.

1. The First Line of Defence: Nose and Hands

Your nose is the main entry point, and moisture is its best ally. Since cold air and central heating dry out the mucous membranes, consider using a humidifier to keep the air between 40% and 60% humidity. This moisture doesn't just protect your mucosa, it also helps viral particles fall to the ground instead of staying airborne.

Using nasal washes with saline solution works like a daily clean-up of the fortress, clearing away particles and keeping the barrier hydrated.

Of course, rigorous hygiene remains the most effective shield. Wash your hands often and be mindful not to touch your eyes, nose or mouth.

2. Boosting Your Internal Immune System

A strong immune system is a well-fed and well-rested army:

Non-negotiable Sleep: Sleep is the body's repair workshop. Sleeping less than seven hours a night compromises the production of cytokines, the essential proteins for fighting infection. Prioritising rest is a fundamental line of defence.

Thermal Management and Ventilation: Dress in layers to adapt to sudden temperature changes and avoid thermal shock. Indoors, open the windows often. Ventilation acts as a natural solvent, dispersing the concentration of viruses that build up in enclosed spaces.

3. Nutrition: Fuel for the Battle

A balanced diet rich in vitamins, minerals and antioxidants is the foundation. However, in cold weather or when your diet falls short, certain supplements can act as essential reinforcements:

Vitamin D: This vitamin acts as a conductor of the immune system. Since its main source is sunlight, supplementation is critical during the winter months in many latitudes to maintain optimal levels and keep the immune response ready.

Omega-3: Mainly DHA and EPA, these essential fatty acids have anti-inflammatory properties that help modulate the immune response, ensuring it's effective without being disproportionate. It's an excellent complement for those who eat little fish.

Supporting Vitamins and Minerals: Make sure you're getting enough Zinc and Vitamin C, micronutrients that are pillars for the function of your defence cells.

Compounds: More advanced supplements such as Nicotinamide Riboside (NR), a precursor of NAD+, are being studied for their role in cellular efficiency and repair, which could indirectly support the resilience of the immune system as a whole.

Conclusions

Ultimately, science doesn't discredit popular wisdom, it gives it logic. We've learned that cold, wet hair or sudden changes in temperature aren't the thief that causes the common cold, but rather the key that temporarily weakens the lock on our local immune system.

True protection lies in understanding this dynamic: minimising thermal stress, ventilating spaces to disperse viral concentration and, above all, ensuring our inner army is well fed, rested and reinforced with essential allies such as Vitamin D.

Let's stop fearing the cold and instead focus our efforts on keeping our nasal fortress moist and impeccable, ready to repel rhinovirus at any moment.

Sources used

Eccles, R. (2005). Understanding the Symptoms of the Common Cold and Influenza. Lancet Infectious Diseases, 5(11), 718-725.

Mäkinen, T. M., et al. (2009). Cold Temperature and Low Humidity Increase Rhinovirus Survival on Surfaces. The Journal of Infectious Diseases, 200(1), 163-166.

Foxman, E. F., et al. (2015). Temperature-dependent innate defense against the common cold virus. Proceedings of the National Academy of Sciences (PNAS), 112(3), 821-826.

Lowen, A. C., et al. (2007). Influenza virus transmission is dependent on relative humidity and temperature. PLoS Pathogens, 3(10), e151.

And if you're looking to keep your immune system in excellent condition, we recommend two things: our Defences Combo, with vitamins and minerals that help optimise metabolism and combat fatigue, and also our NAC (N-Acetyl L-Cysteine), 90 capsules. With 600 mg of NAC per capsule, this supplement helps restore and raise glutathione levels, the essential antioxidant for combating oxidative stress and inflammation, and has also been shown to contribute to respiratory health, among other benefits. On our Lifexpan website you'll also find Vitamin D, other essential vitamins and minerals, Omega 3 and the NR mentioned in this article.

Defences Combo

NAC (N-Acetyl L-Cysteine)

Measuring ageing: can we slow down the biological clock?

2025-11-25T20:32:06.000Z

The science of ageing, or geroscience, draws a fundamental distinction between chronological age, which is simply the time elapsed since birth, and biological age (BA).

BA is a functional metric that reflects the body's true state and efficiency, as well as the build-up of molecular damage at cellular level. This metric is crucial, as it has established itself as a stronger predictor than chronological age for disease risk, cognitive decline and all-cause mortality.

Ageing is not the same linear, chronological process for everyone. It's a malleable process, highly susceptible to extrinsic factors such as nutrition, exercise and stress management. The search for precise tools that can objectively quantify the pace of ageing at an individual level is therefore essential for precision medicine within the field of longevity.

Epigenetic Clocks: The Molecular "Fingerprint"

The key molecular mechanism that allows us to track age is epigenetics. Think of DNA as a great book of our body, describing the structure of our genes step by step. As time passes and we're exposed to a poor diet, intense stress, or various other factors, our body adds sticky notes to these pages, which change the way our genes are read, so that some genes get expressed and others don't.

In other words, it changes the way our body reads our DNA. That's what epigenetics is about — the word means "above the genes" — and it's the field that studies hereditary changes caused by gene activation that don't involve any modification to the DNA itself. These aren't mutations, but rather on/off switches that turn certain genes active or inactive.

In this analogy, those sticky notes are what's known as methyl groups, which attach to specific parts of the DNA called CpG sites or islands. This is the process that acts as a molecular switch, regulating gene expression without altering the underlying genetic sequence.

As we age, methylation patterns at thousands of CpG sites change in predictable ways. Epigenetic Clocks are advanced algorithms that read these methylation "fingerprints" to estimate an organism's biological age.

From Horvath to GrimAge: The Evolution of Measurement

The science of measuring ageing has evolved rapidly since its discovery. Initially, the fundamental challenge was to prove that DNA methylation patterns could genuinely track the passage of time with precision. Once that hurdle was overcome, science faced a deeper question: does the epigenetic clock only measure the passing of years, or can it predict an individual's biological fate? This need to move from a simple "time clock" to a "risk predictor" drove the development of multiple generations of algorithms.

The first generation of clocks, established around 2013 with the pioneering Horvath and Hannum models, was revolutionary. These algorithms showed an almost perfect correlation with chronological age, able to estimate a subject's age with great precision from almost any tissue (Horvath) or from blood (Hannum). However, their main limitation was their focus on temporal age: when researchers adjusted the data for chronological age, the resulting metric, known as "age acceleration", showed a weak or inconsistent correlation with disease risk or mortality.

The path towards the second generation focused on creating "phenotypic" or "extrinsic" clocks that measured ageing linked to health rather than to time alone. The goal was no longer to guess someone's age, but to predict the time until functional decline or death. Clocks such as DNAm PhenoAge marked this shift by being trained on direct clinical biomarkers associated with mortality (such as glucose, albumin and cell counts), rather than on age itself. This methodological change dramatically improved their ability to predict morbidity risk.

A key breakthrough within this second generation is GrimAge (short for Grim Reaper Age), designed specifically to capture the accumulation of pathological damage. GrimAge uses DNA methylation not only to calculate an age, but also to estimate levels of plasma proteins and blood markers that are crucial to systemic dysfunction (such as PAI-1 or GDF-15, linked to inflammation and coagulation). This refinement made it the most robust and superior biomarker for predicting mortality and frailty, making it the metric of choice for anti-ageing intervention studies.

Finally, this evolution continues with the emergence of a third generation of clocks, more dynamic and sensitive. These new models focus less on the static prediction of a "biological age" and more on measuring the rate of ageing (the pace at which an individual is currently ageing). Being highly dynamic, they are far more sensitive to lifestyle changes or short-term therapeutic interventions, offering the most refined tool to date for measuring the plasticity of ageing and guiding precision medicine.

But... can we slow down, reverse or halt the biological clock?

The good news is yes, biological ageing can be reversed. Slowing down the epigenetic clock is possible. How? By improving lifestyle habits, which, as science tells us, not only optimise perceived health, but have a measurable impact at the molecular level on DNA methylation.

Dietary interventions that mimic fasting have proven to be powerful modulators of the biological clock. The Fasting Mimicking Diet (FMD), low in calories, sugars and protein, has demonstrated in clinical studies its ability to reduce signs of ageing in the immune system, as well as insulin resistance and liver fat.

Meanwhile, a controlled clinical trial in healthy adult men who followed an 8-week programme combining diet, sleep, exercise, relaxation and nutritional supplements showed an average decrease of 3.23 years in epigenetic age (as measured by the Horvath clock) compared to the control group. This underlines the synergistic power of a holistic approach.

But beyond the pillars of lifestyle (nutrition, exercise and stress mitigation), recent research, especially large-scale controlled clinical trials (2023-2025), has identified the protective efficacy of specific supplements such as Omega-3 and Vitamin D, and has provided solid molecular justification for the use of Nicotinamide Riboside (NR), although the final clock data are still pending.

Vitamin supplements and biological age: Specific evidence on supplements in epigenetic clocks (2023-2025)

The DO-HEALTH study, a large-scale post hoc clinical trial with 777 participants over the age of 70 followed over three years, has provided the clearest evidence yet on the impact of Omega-3 and Vitamin D on second-generation epigenetic clocks such as GrimAge.

Impact of Omega-3 (1 g/day)

Supplementation with Omega-3 alone showed a small protective effect in slowing down the PhenoAge, GrimAge2 and DunedinPACE DNA methylation clocks over the three years of the study.

The slowdown in biological ageing in the Omega-3 group was estimated at around 2.9 to 3.8 months over the 3-year period, with the greatest benefits seen in participants who had lower baseline Omega-3 levels.

This shows that Omega-3 can be recommended as a tool to slow down biological ageing, since high levels of Omega-3 fatty acids have been identified as key biomarkers in studies of extreme longevity.

Omega-3 works by modulating systemic inflammation (a key factor that GrimAge tracks via DNAm logCRP) and contributes to the production of Specialised Pro-Resolving Mediators (SPMs), which promote the active resolution of chronic inflammation.

Impact of Vitamin D (2000 IU/day)

Although Vitamin D alone was not the most powerful factor in this trial, it showed additive benefits when combined with Omega-3 and exercise, particularly for the PhenoAge clock.

Quasi-randomised intervention studies have shown that Vitamin D-deficient participants who began supplementing displayed a 1.3-year reduction in accelerated ageing as measured by the Horvath clock (HorvathAA).

Nicotinamide Riboside (NR)

NR, an NAD precursor, has a very solid mechanistic rationale, but definitive results on large-scale slowing of the epigenetic clock are still pending.

Ageing is associated with a decline in NAD+ levels. NR restores these levels, which is essential for activating Sirtuin (SIRT) and PARP enzymes. These enzymes are crucial for maintaining genomic stability and DNA repair. The accumulation of DNA damage is one of the main explanations for why the epigenetic clock accelerates. By boosting repair, NR could influence methylation patterns.

NR has been shown to modulate DNA methylation at specific loci in muscle and adipose tissue, which correlates with improved mitochondrial biogenesis. This is a genuine biological effect, but it is locus-specific.

Human studies have shown that short-term, high-dose NR supplementation does not alter overall methylation homeostasis.

To date, clinical trials have not provided conclusive, published evidence that NR significantly reduces the AgeAccelGrim score in the general population.¹⁸ The lack of a notable overall effect may be due to the short duration of the studies.

Rigorous clinical trials are currently under way (e.g., 2000 mg/day for 52 weeks in frail elderly people) with the primary aim of determining whether NR can slow epigenetic age and improve physical and cognitive function.¹⁹ These results will be key to validating NR against the GrimAge metric.

NR has a strong theoretical rationale and is recommended as a fundamental molecular support for cellular metabolism and DNA repair.³

Conclusions

In summary, maintaining a regular exercise routine and a diet that limits inflammation (such as intermittent fasting or calorie-restriction diets) is strongly recommended to slow or halt the epigenetic clock, along with supplementation with Omega-3 and Vitamin D, as evidence from clinical trials (DO-HEALTH) suggests a protective and additive effect in slowing the risk clocks (GrimAge2, PhenoAge), with Omega-3 being the single most influential factor.

Nicotinamide Riboside (NR) is recommended on mechanistic grounds. It acts as an essential support for DNA repair and genomic stability (via the NAD+/SIRTs/PARPs pathway). While the data showing a reduction in GrimAge are still exploratory and preliminary, the molecular rationale is strong.

Sources used

Cómo los relojes epigenéticos pueden ayudarnos a entender por qué envejecemos y si podemos revertirlo.

NAD+ metabolism and its roles in cellular processes during ageing.

Nicotinamide Riboside—The Current State of Research and Therapeutic Uses.

DNA methylation GrimAge strongly predicts lifespan and healthspan.

DNA methylation GrimAge version 2

GrimAge Outperforms Other Epigenetic Clocks in the Prediction of Age-Related Clinical Phenotypes and All-Cause Mortality

The Role of NAD+ in Regenerative Medicine

What is the fasting-mimicking diet, and how much can it reverse the biological clock?

The Biomarkers in Extreme Longevity: Insights Gained from Metabolomics and Proteomics

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Magnesium: The Conductor of the Orchestra for Insulin Sensitivity

2025-11-13T13:54:09.000Z

Insulin resistance has become a silent yet widespread health concern. However, recent science has consolidated the role of an essential mineral, magnesium, not merely as a supporting player, but as a fundamental element in restoring metabolic balance and glycaemic control.

The Discovery: Consolidating the Evidence on Glycaemic Control

Magnesium is not just a mineral; it is a cofactor critical to more than 300 enzymatic processes in our body. In carbohydrate metabolism, its role is vital:

The Science Behind the Insulin-Magnesium Link

Recent meta-analyses (2022-2023) have strengthened the evidence that magnesium supplementation is an effective aid in improving insulin sensitivity.

Magnesium is needed for the function of the enzymes that process glucose and energy. Without sufficient magnesium, these biological "engines" slow down.

Magnesium is required for the insulin receptor on the cell surface to correctly send its signal into the cell. When magnesium deficiency occurs (hypomagnesaemia), this signalling is compromised, preventing cells from taking up glucose from the bloodstream. This is known as insulin resistance.

Reviews of clinical trials have shown that supplementation significantly reduces Fasting Blood Sugar (FBS) and Glycated Haemoglobin (HbA1c). HbA1c is especially revealing, as it measures average glycaemic control over the previous three months.

How Could This Change Your Life?

This discovery translates into a potential life change by offering a simple nutritional tool for a complex problem:

More Stable Energy: By improving insulin sensitivity, your body uses glucose (energy) more efficiently, avoiding the sugar spikes and crashes that cause fatigue and cravings.

Lower Metabolic Risk: Improvement in the insulin resistance index (HOMA-IR) and reduced HbA1c are directly linked to the prevention or management of serious conditions such as Type 2 Diabetes, Metabolic Syndrome and obesity.

Long-Term Investment: As a limiting factor, ensuring optimal magnesium levels is a long-term strategy, helping to protect your metabolic pathways over time.

Now, the challenge is not just taking magnesium, but making sure the body genuinely absorbs and tolerates it without side effects. This is where the Pharmacokinetic Primacy of advanced formulations, such as Magnesium Bisglycinate, comes into play.

Bisglycinate: Smart Absorption

Bisglycinate is a chelate, in which the magnesium ion (Mg2+) is bound to two molecules of the amino acid glycine.

This neutral, chelated structure is crucial. It allows magnesium to be absorbed intact through the peptide channels in the small intestine. By "hiding" within glycine, chelated magnesium avoids competition with other minerals and the saturable transport mechanisms that affect inorganic salts.

The key metric is not the percentage of elemental magnesium in the supplement, but the biologically active dose that reaches the tissues.

While Magnesium Oxide has a high elemental content (∼60%) but low absorption (∼4%−15%), Bisglycinate has a more modest elemental content (∼14%), but achieves an exceptionally high bioavailability, close to 80%−90%. This means that more magnesium actually reaches your cells to help you with insulin.

Superior GI Tolerance

This chelated formulation also addresses the issue of gastrointestinal (GI) tolerance. It Avoids the Laxative Effect: Highly dissociable magnesium salts (such as oxide or citrate at high doses) release free magnesium ions into the colon, triggering an osmotic effect that draws in water and causes diarrhoea or discomfort. Bisglycinate mitigates this risk because the neutral molecule is absorbed via different peptide pathways, resulting in excellent stomach compatibility and minimal laxative effects.

To improve insulin sensitivity, high doses (≥400 mg/day) and a prolonged duration (≥90 days) are required to replenish intracellular stores.

Superior gastrointestinal tolerance allows you to take the necessary therapeutic dose every day and for long enough (the chronicity that science demands) without uncomfortable digestive side effects.

By ensuring that magnesium is highly absorbed and that supplementation is sustainable in the long term, bisglycinate maximises the "value per unit absorbed", making your investment in metabolic health truly effective.

References used

Predominant role of magnesium in ATP production and utilisation and its role in the phosphorylation of the insulin receptor tyrosine kinase.

Role of magnesium as a cofactor in carbohydrate metabolism; correlation between magnesium deficiency and insulin resistance.

2023 meta-analysis of 24 trials confirming a statistically significant reduction in fasting blood glucose (FBS) and HbA1c with magnesium supplementation.

Effectiveness in improving insulin sensitivity depends on a dose of ≥400 mg/day and a duration of ≥90 days.

Elemental content of magnesium bisglycinate, oxide, and citrate; bioavailability of oxide and bisglycinate; essential role of magnesium.

Absorption mechanism of bisglycinate chelate via peptide channels; low dissociation and GI tolerance.

Low biological absorption of magnesium oxide despite high elemental content; preferred use of bisglycinate for systemic health and its excellent tolerance.

Laxative mechanism of dissociable magnesium salts and their osmotic effect; superior GI tolerance of bisglycinate for chronic supplementation.

You have just read the scientific evidence showing that Magnesium Bisglycinate is essential for improving insulin sensitivity and ensuring maximum absorption without digestive discomfort.

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The Silent Winter Battle: Vitamin D, The Forgotten Secret and the Driving Force Behind Viking Expansion

2025-11-04T10:22:24.000Z

As winter sets in, life turns inwards: fewer hours of daylight, more time spent in front of screens and a natural tendency towards fatigue. It's a cycle many blame on simple "cold weather", but beneath the surface lies a silent and widespread deficiency: a lack of Vitamin D.

In our modern world, the way our lives are designed—working indoors, wearing sunscreen and avoiding peak sunlight hours—has cut us off from our most essential source of energy. This disconnection isn't just a matter of a few cold months; it translates directly into a constant feeling of tiredness, a less alert immune system and greater vulnerability to seasonal viruses. Science confirms it: Vitamin D is much more than a vitamin; it's a vital hormone.

The Sun, Our Natural Pharmacy

To understand the winter Vitamin D crisis, we need to understand how it works. Unlike other vitamins that come purely from our diet, Vitamin D is unique because our body actually makes it. In fact, it behaves as a hormone, regulating thousands of cellular functions.

The process is wonderfully simple: when ultraviolet B (UVB) rays from the sun hit our skin, they activate a cholesterol precursor that is converted into Vitamin D3 (Cholecalciferol). This molecule travels to the liver and then to the kidneys, where it is converted into its active form, Calcitriol.

Calcitriol doesn't just help our bones absorb calcium (its best-known role); it also acts as the body's "defence general"¹. It binds to receptors in almost all of our cells, especially immune cells. A Vitamin D deficiency means our defences run on half power, leaving the door open to infections. As winter darkens the horizon, the angle at which UVB rays reach us is insufficient at many latitudes, and skin production comes to a near-total standstill.

Cod, the Nutritional Edge and the Viking Expansion

The fight against Vitamin D deficiency is nothing new; it's an age-old battle perfectly illustrated by Scandinavian populations. At these latitudes, where sunlight was a fleeting guest and darkness ruled the landscape, a devastating illness historically took hold: rickets in infants and osteomalacia/osteoporosis in adults. These bone conditions were both a physical hindrance and a weakness for entire populations.

Yet the Scandinavian Vikings of the late 8th century found an empirical solution that became a civilisational advantage. Lacking sunlight, they supplemented their diet with cod, abundant in the northern seas. The Vikings ate plenty of Atlantic cod, which they preserved by salting for their long voyages and expeditions. More importantly still, they ate its liver, extraordinarily rich in fats and Vitamin D.

This improved diet, combined with an active way of life, allowed the Vikings to meet the needs that the dark Scandinavian winters couldn't provide. Thanks to the Vitamin D that cod gave them, they managed to improve their health and avoid bone diseases. This improvement in the health of their crews was a decisive factor in preserving their population and, crucially, in the success of their expansion across Europe.

The success of their raids and campaigns, which went down in history, was not only down to the engineering of their ships and their organisation, but also to the health of their people. This nutritional advantage allowed them to expand across Europe, outpacing their enemies and leaving a genetic and cultural mark on the continent. In essence, cod became their "bottled light", the biological insurance policy that enabled their survival and dominance over much of the European continent.

The Same Challenge, New Habits

Today, despite having access to vitamins in capsules and artificial light, Vitamin D deficiency remains a global epidemic. We've overcome mass rickets, but low Vitamin D levels are now linked to chronic issues such as fatigue, low mood (seasonal affective disorder) and even a weakened immune system.

Our problem isn't lack of knowledge, but our modern routine:

Office Hours: We spend most of the day indoors, missing the only hours when the sun produces the UVB rays needed for skin synthesis.
Latitude: Living far from the equator means that between November and March, the sun's angle is insufficient to trigger Vitamin D production in the skin.
Diet: Few foods naturally contain enough Vitamin D (oily fish, egg yolk, liver), which means we depend almost entirely on the sun.

We're still living in the Nordic shadow, but the solution no longer lies solely in cod liver, but in a conscious and proactive strategy.

Strengthening Our Defences Against Winter

Vitamin D is the body's "insurance policy" for the dark months. Its role is crucial in bone mineralisation (fixing calcium and phosphorus) and in proper muscle and nerve function.

Assuming that diet or accidental sun exposure is enough during winter is to ignore biology and geography. If the health of an entire civilisation, like the Vikings, depended on finding an alternative source (cod liver oil) to survive and expand, our modern strategy must be just as decisive.

The scientific recommendation is clear: during the cold months, it's essential to supplement or ensure an adequate intake of Vitamin D. Boosting your intake of this vital hormone isn't just a preventive measure against winter viruses, but a direct investment in your energy, your mood and the lasting strength of your frame. Give your body the light it needs!

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Omega-3: The New Standard in Protecting the Heart and Brain

2025-10-27T15:00:00.000Z

For a long time, Omega-3 fatty acids (EPA and DHA) were seen simply as a "good for you" supplement. However, science has made a huge leap forward: it has shown that Omega-3, at the right doses, acts as a precision medicine capable of transforming our cardiovascular and mental health. The bad news is that our Western diet falls well short of what we actually need. The body can barely produce these Omega-3s from plant sources, which makes direct supplementation absolutely essential to unlock its true benefits.

The Therapeutic Revolution: Pure EPA and Cardiovascular Risk

The most significant breakthrough in Omega-3 research comes from cardiology, particularly from a major clinical trial called REDUCE-IT. This study tested the efficacy of pure EPA (Eicosapentaenoic Acid, a type of marine Omega-3) at high doses, revealing a profound effect in patients with elevated cardiac risk, even those already managing their cholesterol with statins.

The results were compelling: administering 4 grams of purified EPA daily reduced heart attacks, strokes and death from cardiovascular causes by 30%. What really surprised doctors was that this benefit occurred regardless of whether cholesterol was already under control. This proves that EPA does far more than lower blood fats; it acts as a powerful agent that goes straight to the root of the problem: chronic inflammation and arterial instability.

In fact, comparative analyses have uncovered a key difference between the two main types of Omega-3: pure EPA has consistently proven more effective at preventing sudden cardiac events (heart attacks) than formulations combining EPA and DHA. This suggests that while DHA is vital for other functions, it may reduce EPA's protective effect in the context of acute ischaemia. However, it's vital to bear in mind that therapy with such high doses of EPA requires clinical monitoring, as it has been associated with a slight increase in the risk of atrial fibrillation (AF) and bleeding.

The Molecular Secret: Switching Off and Resolving Chronic Inflammation

To understand how Omega-3 achieves this feat, we need to look at the molecular level. The mechanism behind its power is more sophisticated than a simple "anti-inflammatory" action. In the body, Omega-3 is converted into remarkable molecules called Specialised Pro-Resolving Mediators (SPMs). Rather than just suppressing inflammation, SPMs act as a clean-up crew that actively resolves inflammation, halting the damage, promoting the clearance of damaged cells and allowing tissue to repair itself. This "pro-resolving" capacity is the key to its effectiveness against chronic diseases, from cardiovascular conditions to neurodegenerative ones.

The Omega-3 Index (O3I): Your Real Level of Protection and Longevity

And this is where the factor that lets us measure our real protection comes in: the Omega-3 Index (O3I). Guessing your Omega-3 level is no longer necessary. Science has validated this blood test, which measures the percentage of EPA and DHA that has actually reached your cell membranes (in red blood cells) over the past four months. It doesn't just measure what you ate yesterday, but your stable level of protection.

The O3I has proven to be as important a risk predictor as cholesterol or blood pressure. An O3I below 4% is associated with a significantly higher risk of sudden cardiac death. On the other hand, reaching the optimal level of 8% or above reflects the resilience of your cells against damage and chronic stress, functioning as a biomarker of cellular longevity. Maintaining this level requires a sustained intake of 1,000 to 1,500 mg of EPA and DHA daily.

The Functional Difference in the Brain and Mind

Omega-3 is equally fundamental for mental health, but EPA and DHA have distinct roles. While DHA is vital for the structure and integrity of neuronal membranes (crucial for long-term neuroprotection and the prevention of diseases such as Alzheimer's), EPA appears to be the driving force behind functional action. Research into Major Depression has shown that symptom improvement is directly linked to EPA, especially in supplements where EPA makes up ≥60% of total Omega-3. EPA is the primary mediator that manages to switch off the neuroinflammation underlying depressive symptoms.

Practical Guide: Formulation and Dosage for the 8% Target

To put this science into practice, dosage and formulation quality are critical. First, forget about the percentage on the label and prioritise the total milligrams of EPA and DHA.

Secondly, pay attention to the chemical form: formulations in Triglyceride (TG) form, common in over-the-counter supplements, are absorbed 30% better than Ethyl Ester (EE) forms, making it easier to reach the 8% O3I target more efficiently. Finally, because Omega-3 oxidises easily, it's essential to look for high-quality products that include antioxidants to ensure the oil consumed is fresh and retains its effectiveness until it's absorbed. Dosage should be individualised, but generally ranges between 1,000 and 1,500 mg/day to reach the optimal level of protection.

Conclusion

The Omega-3 paradigm has changed radically: it's no longer just nutritional advice, but a biomarker of cellular health and longevity. Science tells us that most people benefit from sustained supplementary intake to make up for dietary shortfalls. By focusing on reaching the prognostic target of the Omega-3 Index (≥8%) with quality (Triglyceride) formulations and the right dose for our individual risk, we are investing directly in the active resolution of inflammation and safeguarding the integrity of our cells over the long term. Think of the O3I as your new risk factor: a simple test that measures your resistance to chronic disease and your potential to live a longer, healthier life.

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Quality and benefits of Peruvian anchovy omega-3:

High EPA and DHA content: Peruvian anchovy is recognised as having one of the highest concentrations of omega-3 fatty acids (EPA and DHA) of any fish, according to IFFO.

Health benefits: These fatty acids are essential for cardiovascular health, helping to reduce cholesterol levels and blood pressure. They also support brain health and may help prevent cognitive decline, according to Infobae and the Peruvian government.

Sustainable fishing: Anchovy is caught in one of the cleanest and most sustainable marine areas on the planet, ensuring its quality and safeguarding the marine ecosystem.

Keep exploring the benefits of Omega-3 here:

Are you getting enough omega-3 fatty acid.

Omega-3 Fatty acids. Fact Sheet for Health Professionals.

Lipidomics: Revealing Biomarkers of the Omega-3 Index.

The Anti-Inflammatory Role of Omega-3 Polyunsaturated Fatty Acids Metabolites in Pre-Clinical Models of Psychiatric, Neurodegenerative, and Neurological Disorders.

Effect of omega-3 fatty acids on cardiovascular outcomes: A systematic review and meta-analysis.

The Biological Clock in the Cell: Mitochondria and Longevity

2025-10-21T09:01:19.000Z

The search for eternal youth, or at least for healthy longevity, has been a constant throughout human history. Today, science is turning its attention to a fundamental component of our cells to understand this process: the mitochondria. A central theory, increasingly supported by research, suggests that we age as quickly as our mitochondria deteriorate. These "powerhouses" are the true biological clock, whose functional state sets the pace of our ageing.

What Are Mitochondria?

Mitochondria are organelles found in the cytoplasm of most eukaryotic cells (those with a defined nucleus) — in other words, practically every cell in our body, with the exception of mature red blood cells. They are vital structures, often described as tiny "energy factories". What makes them unique is that they carry their own genetic material, mitochondrial DNA (mtDNA), inherited exclusively through the maternal line.

Vital Functions: Far More Than Just Energy

Although their best-known and most crucial role is producing energy, mitochondria play a much broader part in cellular homeostasis and survival:

Energy Production (ATP): Through the process of oxidative phosphorylation, they convert nutrients (glucose, fats) into ATP (adenosine triphosphate), the molecule that acts as the main energy currency for almost all cellular processes (muscle contraction, nerve transmission, molecule synthesis, and more).
Regulating Programmed Cell Death (Apoptosis): Mitochondria act as guardians of cellular life. If a cell is irreparably damaged or undesirable (for example, an infected or potentially cancerous cell), mitochondria can release signals that coordinate its controlled self-destruction — a process essential for tissue health.
Calcium Homeostasis and Cell Signalling: They help regulate calcium ion concentration in the cytoplasm, which is vital for cell signalling.
Metabolism: They are involved in the metabolism of fats and amino acids.

Healthy vs. Dysfunctional Mitochondria

The state of our mitochondria has a direct impact on an individual's health and longevity:

What Healthy Mitochondria Bring About:

High Energy Efficiency: Consistent, efficient ATP production, which translates into optimal vitality, physical performance and mental sharpness.
Low Free Radical Production: They minimise the generation of Reactive Oxygen Species (ROS), harmful by-products of metabolism.
Cellular Upkeep: The ability to trigger Mitochondrial Biogenesis (the creation of new mitochondria) and Mitophagy (the selective removal of damaged mitochondria), keeping the mitochondrial network young and robust.
Resilience: Improved capacity for cells to cope with stress.

What Dysfunctional Mitochondria Bring About (Mitochondrial Dysfunction):

Over time, due to oxidative stress, damage to mtDNA and metabolic inefficiency, mitochondria deteriorate. This is a hallmark of ageing:

Low Energy Production: The cellular engine runs at lower power, leading to symptoms such as chronic fatigue, reduced physical and mental performance, and weakness.
Increased Oxidative Stress: Damaged mitochondria produce an excessive amount of ROS, which acts as a vicious cycle, damaging even more proteins, lipids and mtDNA itself, and accelerating cellular ageing and tissue damage.
Inadequate Activation of Apoptosis or Inflammation: They may fail to trigger apoptosis in damaged cells or, worse still, may activate chronic low-grade inflammatory pathways, linked to most age-related diseases.
Association with Disease: Mitochondrial dysfunction is directly linked to neurodegenerative diseases (Alzheimer's, Parkinson's), type 2 diabetes, cardiovascular disease and sarcopenia (age-related loss of muscle mass).

The Path to Healthy Mitochondria

Given their fundamental role in longevity, science has identified key strategies to preserve and optimise mitochondrial function:

Regular Physical Exercise (Especially HIIT and Endurance Training): Exercise is perhaps the most powerful promoter of mitochondrial biogenesis. When muscle cells demand more energy, they are forced to create new, more efficient mitochondria and eliminate the old ones.
Calorie Restriction and Intermittent Fasting: These habits induce a state of "mild metabolic stress" that activates cellular repair pathways, including mitophagy (clearance of damaged mitochondria) and biogenesis.
Optimal Nutrition: A diet rich in antioxidants (fruits, vegetables, spices) to neutralise free radicals. Specific nutrients such as B vitamins, magnesium and omega-3 fatty acids are crucial for the integrity and function of the mitochondrial membrane.

The Role of the NR (Nicotinamide Riboside) Supplement

Nicotinamide Riboside (NR) is a supplement that has attracted great attention in ageing research. It acts as a precursor to NAD+ (Nicotinamide Adenine Dinucleotide).

Why is NAD+ important?

NAD+ is a fundamental molecule involved in hundreds of cellular processes, but it is especially crucial for mitochondrial energy metabolism and the activation of sirtuins (known as the "longevity proteins"), which repair DNA and regulate cellular health.

NAD+ levels decline dramatically with age, which is considered a key factor in mitochondrial deterioration.

The Role of NR in Mitochondria:

By supplementing with NR, the goal is to increase cellular NAD+ levels. Studies suggest that by raising NAD+, NR may:

Promote Mitochondrial Biogenesis: Stimulating the formation of new mitochondria, especially in muscle tissue.
Improve Mitochondrial Function: By supplying the essential fuel (NAD+) for the electron transport chain, optimising ATP production.
Increase Cellular Resilience: Through the activation of sirtuins, which depend on NAD+ for their function, improving DNA repair and reducing inflammation associated with ageing.

In short, by raising NAD+, Nicotinamide Riboside could be a promising dietary strategy to combat age-related energy decline and support mitochondrial function, making it a tool in the fight against biological ageing. Caring for our mitochondria is, in essence, the deepest way to invest in our own longevity.

Keep exploring the world of mitochondria and longevity:

Nicotinamide riboside improves muscle mitochondrial biogenesis, satellite cell differentiation, and gut microbiota in a twin study

Mitochondrial theory of ageing

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NAD⁺, Stem Cells and the Promise of Regenerative Dentistry

2025-10-14T09:52:24.000Z

Ageing is a process that affects every corner of our body, including our teeth. We often think their health is simply a matter of good hygiene, but the real driving force behind their vitality lies within. Science reveals that, just like our skin or our organs, teeth have a remarkable capacity for self-repair, one that declines over time. Discovering how to boost this self-repair process could revolutionise dentistry, and this is where a compound as promising as NR becomes relevant.

The Hidden Secret of the Tooth: A Journey Inside the Pulp

At the heart of every tooth lies the dental pulp, a delicate living tissue that houses nerves, blood vessels and, fascinatingly, stem cells. These cells, known as dental pulp stem cells (DPSCs), are a special type of cell that act as the tooth's "repair team". Unlike ordinary cells, which have a fixed function, stem cells are like wildcards: they can divide indefinitely and transform into other cell types, such as those that form dentine, the tooth's protective layer. Their existence offers us a glimpse of a possible regenerative medicine, but how can we activate this potential?

This is where NR, or Nicotinamide Riboside, comes into play. Although its name sounds complex, NR is a molecule that our body uses to produce NAD⁺ (Nicotinamide Adenine Dinucleotide). Think of NAD⁺ as the spark that ignites the engine of every cell. It's essential for energy production, DNA repair and keeping cells young. As we age, NAD⁺ levels decline, and with them, our cells' ability to repair themselves and function optimally. That's why NR supplements have grown in popularity as a way to recharge this cellular engine.

The Discovery That Changes the Rules of the Game

Recently, scientific research has connected these two worlds: dental stem cells and NR. Studies have revealed that NR has the ability to modulate a key cellular process that allows DPSCs to differentiate into odontoblasts, the cells that build dentine.

To understand this process, scientists have focused on the protein HIF-1, a cellular "switch" that is normally activated under stress conditions, such as a lack of oxygen. Research shows that NR, by raising NAD⁺ levels, regulates the activity of this protein to promote an ideal environment for stem cells to transform into odontoblasts efficiently and robustly.

But the most striking evidence didn't stop in the laboratory. In experiments with mice, dental stem cells that had been pre-treated with NR were transplanted into their bodies. The result was surprising: instead of forming amorphous tissue, these cells generated organised structures that closely resembled real dentine. This shows that the effect of NR isn't merely superficial; in some way, it "programmes" these cells to carry out their repair work even in a complex environment.

The Promise of a New Era for Dentistry

This discovery has the potential to revolutionise dentistry. Imagine a future in which treating a deep cavity isn't an invasive filling procedure, but a process that stimulates the tooth's own ability to repair itself.

What's more, NR could help delay the cellular senescence of dental stem cells. Keeping these cells young and with their repair capacity intact over the years is vital for our teeth to remain strong.

In conclusion, although research is still in its early stages, the link between NR and dental pulp regeneration opens the door to a completely new field of regenerative dentistry. It shows us that, by nourishing our cells with the right "spark", we can unlock the incredible self-repair potential that resides within our own body.

You can keep exploring the Science of Regenerative Dentistry in these resources:

Regenerative strategies in dentistry: harnessing stem cells, biomaterials and bioactive materials for tissue repair. https://pmc.ncbi.nlm.nih.gov/articles/PMC12025071/

NAD⁺/NADH redox alterations reconfigure metabolism and rejuvenate senescent human mesenchymal stem cells in vitro. https://pmc.ncbi.nlm.nih.gov/articles/PMC7738682/

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The Secret to Getting the Most Out of Your NAD⁺ Supplement: Are You Taking It the Right Way?

2025-10-06T07:50:24.000Z

The world of longevity and cellular wellbeing has turned its focus to NAD⁺, a vital molecule that acts as the engine of our cells, crucial for everything from energy production to DNA repair. As we age, its levels decline, sparking a genuine revolution in the use of supplements such as Nicotinamide Riboside (NR), a precursor that helps replenish it.

But do you really know how to make the most of it? It's not just about taking the capsule and waiting for it to work its magic. One of the most common questions among those looking to boost its effects is whether the way we take it can make a difference.

A belief that's gaining ground is that taking NR alongside a meal rich in protein or healthy fats could be the key to more efficient absorption. Is this a myth, or a strategy backed by science?

Why timing really does matter

To understand this claim, we need to look at how our body processes nutrients. When you take a supplement on an empty stomach, it moves through your system very quickly. However, when combined with food, especially food containing fats and proteins, the process slows down. This slower gastric emptying could give NR more time in the gut to be absorbed gradually and effectively, rather than passing through the system too fast.

Think of it as a race: if NR travels alone, it risks not being fully absorbed. But with a team alongside it (fats and proteins), the pace is steadier, allowing the body to make better use of it. For more on this fascinating process, you can read about fat and protein metabolism and its effect on supplement absorption.

Although direct research combining NR with specific meals is still in its early stages, there's a solid theoretical basis. NR occurs naturally in dairy products, such as yoghurt, which are rich in proteins and fats. This coevolution suggests our body may be adapted to absorb it optimally within that dietary context.

The logic behind the synergy

The metabolism of NR and that of macronutrients are closely linked. NAD⁺, the molecule that NR produces, is a key coenzyme in how the body converts fats and proteins into energy. So, consuming NR within an active metabolic environment, triggered by food intake, could create a perfect synergy. If you'd like to dive deeper into how NAD⁺ boosts cellular energy, we invite you to discover the role of NAD⁺ in energy metabolism.

In the next part of this article, we'll explore which foods are best recommended and how you can design a supplementation routine that maximises the benefits for your cellular health and longevity.

Which Foods Are Your Best Allies and How to Build Your Ideal Routine

Now that we understand why taking Nicotinamide Riboside (NR) with food is a smart strategy, the question is: which types of meals are most suitable? Not all foods are equal when it comes to optimising the absorption of your supplement.

Recommended foods to boost NR

The goal is to choose foods that slow digestion and offer a complementary nutritional profile. Healthy fats and high-quality proteins are your best options. Think whole, natural foods, rather than processed fats or protein powders, which may not offer the same benefits.

Fermented dairy: Foods like Greek yoghurt, kefir or cottage cheese are excellent choices. They contain both fats and proteins, and are also natural sources of NR, which reinforces their synergy.
Nuts and seeds: Almonds, walnuts, chia seeds and flaxseeds are rich in healthy fats. You can add them to your morning yoghurt or smoothie to create the perfect combination.
Avocado: This superfood is an exceptional source of monounsaturated fats. Combining it with your supplement could support a more gradual absorption.
Oily fish: Salmon, tuna or mackerel are rich in omega-3 fatty acids, which are not only anti-inflammatory but may also contribute to slower digestion.
Eggs: A complete source of protein and fat, ideal for starting the day. A boiled or scrambled egg alongside your NR dose could make an excellent combination.

Designing the perfect supplementation routine

Consistency is key to seeing results. The routine you choose needs to be sustainable in the long term and fit in with your lifestyle.

Choose your moment: Morning is the ideal time. Taking NR with breakfast ensures your body has a steady supply of NAD⁺ for the day's energy demands.
Combine wisely: Try taking your supplement alongside one of the meals or snacks we've mentioned. A bowl of yoghurt with walnuts, a smoothie with avocado and protein powder, or toast with scrambled egg.
Stay consistent: For NAD⁺ levels to remain stable, it's crucial not to skip your dose. Set an alarm or keep it near your coffee machine so it becomes part of your daily routine.

By combining your NR supplement with foods that support its bioavailability, you not only optimise its effects but also adopt a comprehensive approach to your health. The science behind NAD⁺ is a constantly evolving field, but one thing is clear: a holistic approach, combining supplementation with smart nutrition, is the best strategy for healthy longevity.

It's crucial, however, that you avoid combining NR with drinks like coffee or green tea. These contain polyphenols, which are powerful antioxidants. Although beneficial for health, some studies suggest these compounds may interfere with the absorption and effectiveness of NAD⁺ supplements, meaning your body doesn't make the most of the NR you're consuming. So it's best to take your NR supplement with water, alongside your meal, and wait a while before having your coffee or tea.

After a detailed look at the importance of NAD⁺ and the optimisation of NR supplements, it's clear that how we consume them matters just as much as the supplement itself. It's not just about adding a capsule to your routine, but about adopting a smart strategy that maximises every dose. By combining NR with a meal rich in fats and proteins, you not only improve its absorption and bioavailability, but also ensure gentler digestion. With a mindful approach that avoids mixing it with certain compounds like the polyphenols in coffee or tea, you can significantly enhance its effects on your cellular health and take a firm step towards a healthier, fuller longevity.

The most advanced supplement for raising NAD+

🦴 Medical breakthrough: new technology to regenerate broken bones in real time

2025-09-17T09:53:32.000Z

Imagine a surgeon, mid-operation, being able to “repair” a broken bone with a tool similar to a glue gun. This isn't science fiction — it's an innovation already being trialled in animals: a handheld device capable of printing biomaterials directly onto bone fractures to regenerate them in real time.

🔬 The scientific breakthrough

A team from Sungkyunkwan University (South Korea) has developed a device that extrudes a mixture of hydroxyapatite (HA) and polycaprolactone (PCL) — two highly biocompatible materials — directly onto the damaged area.

This method removes the need for prefabricated implants, 3D moulds or more invasive surgery. The material adapts to the injured bone as if it were part of it, with the added benefit that it can release antibiotics locally to prevent infection.

📈 Promising results

Preclinical trials were carried out on rabbits with complex femoral fractures, and the results were impressive:

Faster, stronger bone regeneration than with traditional cements.
Complete integration with the native bone, with no necrosis or rejection.
Antibacterial protection thanks to the controlled release of vancomycin and gentamicin.

The findings were published on 5 September 2025 in the scientific journal Device (Cell Press), under the title:
“In situ bone printing using a handheld extrusion device for personalized bone defect treatment”.

👉 You can read more at ZME Science.

🌍 What does this mean for us?

This breakthrough opens the door to a new era of personalised medicine, where fractures are repaired instantly and tailored to each patient. However, it's still at an experimental stage and it will be some time before this technology reaches hospitals and clinics.

⚠️ In the meantime: what can we do to look after our bones?

Although we can't yet access a bone-regenerating gun in the operating theatre, what we can do right now is strengthen our bones from within, through good nutrition and quality supplements.

At LifeXpan.eu you'll find food supplements designed to support bone health, such as:

Vitamin D3 + K2, key for the correct fixation of calcium.
Magnesium bisglycinate, essential for bone mineralisation.
NAC and antioxidants, which combat oxidative stress and support cellular regeneration.
LifeXpan NR, which boosts NAD+ levels and contributes to repair processes at cellular level.

👉 Because although the future is already being printed in laboratories, the present depends on how you look after your body every day.

The leading support: vitamin D3 with K2, with LifeXpan's patented technology

Here's the best product for this process, an essential one — Vitamin D3 + K2.

Here's a detailed explanation of what makes LifeXpan's Vitamin D3 + K2 with MenaQ7® a high-quality product, thanks to the use of patented ingredients and sound formulation practices.

Guaranteed Quality and Purity:

High-Quality Ingredients: Rigorously selected to ensure the product's purity and effectiveness.
Safe and Efficient Production Process: Manufactured in certified facilities and under strict quality controls.
Free From Contaminants: Free of heavy metals and other impurities, guaranteeing a clean and safe supplement for daily use.
Microencapsulation Technology: Ensures the stability and bioavailability of the essential fatty acids.

What is MenaQ7® and why does it matter?

MenaQ7® is a patented form of vitamin K2 in its MK-7 (menaquinone-7) variant. This means it's an ingredient whose composition, purity and production method are legally protected, guaranteeing that it meets specific standards. LifeXpan
Vitamin K2 (especially the MK-7 form) is valued because it has high bioavailability (meaning it's well absorbed by the body) and a long half-life in the system. This means it remains active for longer, allowing it to exert its effects continuously. LifeXpan
MK-7 helps activate K-dependent proteins that are key to directing calcium towards bones and teeth, and preventing it from being deposited in unwanted places, such as the arteries. This activation is less effective with less pure or non-patented forms of K2. LifeXpan

Other quality factors of the product

High bioavailability + sustained-release effect
The product is marketed with these properties: this indicates that its formulation is designed so the body absorbs the nutrients (D3 and K2) well, and that these maintain active levels for longer. This can involve techniques such as encapsulation, appropriate dosing, stabilisation, and so on.
Synergy of Vitamin D3 + K2
1. Vitamin D3 improves calcium absorption in the intestine.
2. Vitamin K2 directs that calcium towards the bones, while also helping to prevent it from being deposited in blood vessels (avoiding unwanted calcification).
  This combination is more effective than taking either one alone to support bone and cardiovascular health. LifeXpan
Purity, certified processes, safety
1. LifeXpan states that the ingredients are “high quality” and rigorously selected, free from contaminants, heavy metals, etc.
2. Manufactured in certified facilities (GMP, ISO 9001) that ensure production, hygiene and control standards are properly upheld

Does Collagen Really Work? The Definitive Answer from a Study of 1,125 People

2025-09-12T08:56:14.000Z

This information is for informational purposes only. For medical advice or diagnosis, please consult a professional.

You see it everywhere: in smoothies, in powders, in capsules. Collagen has become the star supplement of the wellness and beauty world. The promises are appealing: firmer skin, fewer wrinkles, stronger hair and resilient nails. But beyond the marketing, what does the science actually say? Is it money well spent, or just an expensive placebo?

Today we're going to separate myth from reality and uncover the truth about collagen.

First, What Exactly Is Collagen?

Think of collagen as your body's scaffolding. It's the most abundant protein we have, and its main job is to provide structure, strength and elasticity to our tissues. It's the main building block of skin, bones, tendons, ligaments and cartilage.

The trouble is, as time goes by, our natural collagen production slows down. From around 25-30 years of age, the body starts making less of it, and of lower quality. Factors such as sun exposure, smoking or a diet high in sugar can speed up this process even further. The visible result is what we associate with ageing: loss of firmness, sagging skin and the appearance of wrinkles.

There are more than twenty types of collagen, but for skin health, the most important ones are:

Type I Collagen: The most abundant type in the body, essential for skin, bones and tendons.
Type III Collagen: Found alongside Type I, it's key to providing support and firmness to the skin, muscles and blood vessels.

The Debate: How Can a Supplement Work if the Body Breaks It Down?

This is where the scepticism comes in, and rightly so. When you eat any protein, your digestive system breaks it down into its basic building blocks: amino acids. So how can the collagen you take actually reach your skin?

The key lies in the term "hydrolysed collagen". Quality supplements don't use whole collagen, but collagen that has undergone a process of hydrolysis. This process breaks the large protein chains down into much smaller fragments, called

collagen peptides.

These peptides are small enough to be easily absorbed in the gut and pass into the bloodstream. Science suggests these peptides work in two ways:

They provide the "building blocks": Supplying the specific amino acids the body needs to make its own collagen.
They act as "signals": Stimulating our cells (fibroblasts) to get to work and produce more collagen, elastin and hyaluronic acid.

What Does the Scientific Evidence Say?

While the debate continues, more and more studies are supporting the effectiveness of hydrolysed collagen supplements, particularly for the skin.

One of the most widely cited reviews, published in 2021, analysed 19 studies involving more than 1,100 participants. The conclusion was that people taking collagen supplements showed a significant improvement in skin hydration and elasticity, as well as a reduction in wrinkles. Other clinical studies have backed up these findings, showing benefits for joint health and in helping prevent cartilage degeneration.

While the evidence for hair and nails is less conclusive, it makes sense that strengthening the body's fundamental protein structure could have a positive impact on these too.

The Dynamic Duo: Why Your Collagen Needs Vitamin C

Taking collagen without enough Vitamin C is like having the bricks to build a house but no cement. Vitamin C is an absolutely essential cofactor in the process of collagen synthesis. It helps stabilise the collagen molecule and is necessary for the hydroxylation of the amino acids proline and lysine, a crucial step in the formation of collagen fibres.

Tip from lifexpan.eu: To ensure maximum effectiveness, always choose a supplement that combines collagen with Vitamin C. Our [Collagen + Vitamin C Product Name - link to lifexpan.eu] is formulated precisely to create this synergy and enhance results.

Quick Guide to Choosing a Good Collagen Supplement

Not all collagen supplements are the same. To make a good investment, make sure your product meets these requirements:

It should be hydrolysed: Look for "collagen peptides" or "hydrolysed collagen". It's the only form that guarantees good absorption.
Type I and III for the skin: If your goal is beauty, make sure it mainly contains these two types.
Effective dose: Science points to a daily dose of between 5 and 10 grams to see results. That's why powder or liquid formats are more practical than capsules.
Boosted formula: Besides the indispensable Vitamin C, ingredients such as Hyaluronic Acid or Magnesium can offer additional benefits for hydration and overall health.
Clean formula: Avoid products with added sugars. Sugar can trigger a process called glycation, which actually damages and weakens existing collagen fibres.

At lifexpan.eu we take quality very seriously. That's why our Collagen + Magnesium + Hyaluronic Acid + Vitamin C | Forest Fruits Flavour | 400 g meets all these criteria, offering you a complete, clean and effective formula.

Are There Any Side Effects?

Collagen supplements are generally very safe for most people. Side effects are rare and mild, and may include a feeling of heaviness or an unpleasant taste in the mouth.

The main precaution is for people with allergies, especially to fish or shellfish if they choose marine collagen. As with any supplement, if you're pregnant, breastfeeding or have any medical condition, it's advisable to consult your doctor before starting to take it.

The Final Word from Science: What's the Verdict?

Having broken down the science behind collagen, we return to the initial question: does it really work? And the answer, backed by the most rigorous research, is a resounding yes.

A recent and highly influential meta-analysis, published in the International Journal of Dermatology in 2021, brought together the results of 19 randomised controlled clinical trials involving more than 1,100 participants.[15] This type of study, by combining evidence from multiple high-quality investigations, offers one of the most reliable perspectives available.

The conclusion was clear: oral supplementation with hydrolysed collagen peptides for at least 90 days is associated with:

A significant improvement in skin hydration.
A notable increase in skin elasticity.
A visible reduction in the appearance of wrinkles.

This means we're not just talking about anecdotes or isolated testimonials. Science has spoken, and the message is that hydrolysed collagen is an effective, well-founded strategy for supporting the health and appearance of your skin from within.

So, if you're looking for an evidence-backed way to nourish your skin and fight the signs of ageing, quality hydrolysed collagen should be on your radar.

Ready to give your skin the support it needs, backed by science?

Get the best collagen from LifeXpan® and enjoy an incredible price on our pack of 3.

Cellular Regeneration Protocol: The Science Behind Energy, Longevity and Resilience

2025-08-07T09:11:43.000Z

In the search for a longer, healthier life, we often focus on surface-level solutions. But what if the real key to fighting fatigue, slowing down ageing and boosting our resilience wasn't a magic remedy, but rather systematically supporting the fundamental processes of our own body?

Modern biology has taught us that overall health depends on the health of our cells. Oxidative stress, chronic low-grade inflammation and poor energy production are the three pillars of age-related functional decline. The Cellular Regeneration Protocol is not simply a blend of vitamins; it's a comprehensive strategy designed to intervene on all three fronts.

This article breaks down the science behind its four pillars and explains why their synergistic combination is so powerful.

The Foundation: What is Cellular Synergy?

Synergy is when the combined effect of several elements is greater than the sum of their individual effects. In biochemistry, this is fundamental. While a single compound may offer benefits, a strategic combination can create a cascade effect, where each component supports and enhances the action of the others. This protocol is built on this principle.

The 4 Pillars of the Protocol and the Scientific Evidence

1. Nicotinamide Riboside (NR): The Cellular Energy Activator

The Science: Every living cell depends on a molecule called Nicotinamide Adenine Dinucleotide (NAD+). It is essential for converting food into energy (mitochondrial function) and for activating "sirtuins", a class of proteins often called the "guardians of longevity" for their role in DNA repair and metabolic regulation. Science has conclusively shown that NAD+ levels decline sharply with age, contributing to fatigue and cellular ageing.
The Action of NR: NR is a highly efficient precursor of NAD+. Clinical studies have shown that NR supplementation safely and effectively raises NAD+ levels in the body, thereby reactivating energy production and cellular repair mechanisms.

2. N-Acetylcysteine (NAC): The Precursor of the Master Antioxidant

The Science: Our body has an endogenous antioxidant defence system, and its general is glutathione. Glutathione neutralises free radicals, recycles other antioxidants and is absolutely crucial for the liver's detoxification processes. Low glutathione levels are directly associated with increased oxidative stress and greater cellular vulnerability.
The Action of NAC: NAC is the direct precursor of the amino acid L-cysteine, which is the limiting factor in glutathione synthesis. By providing NAC, we give the body the essential raw material it needs to manufacture its own, more powerful antioxidant, strengthening its defences from within.

3. High-Absorption Curcumin: The Inflammation Modulator

The Science: Inflammation is a natural response of the body, but when it becomes chronic and low-grade, it becomes a driving force behind almost every age-related disease. One of the master switches regulating inflammation is a protein called NF-κB (nuclear factor kappa B).
The Action of Curcumin: Curcumin, the active compound in turmeric, is one of the most potent natural inhibitors of the NF-κB pathway. By modulating this pathway, curcumin helps maintain a balanced, healthy inflammatory response. Its major challenge is absorption; this is why high-bioavailability formulations (bound to phospholipids or combined with piperine) are crucial for its effectiveness.

4. Magnesium Bisglycinate: The Essential Mineral for Relaxation and Biochemistry

The Science: Magnesium is a cofactor in more than 300 enzymatic reactions in the body. It's vital for ATP synthesis (energy), muscle function and, crucially, for the nervous system. It helps regulate neurotransmitters and acts as an agonist of GABA receptors, the main inhibitory neurotransmitter, promoting calm and relaxation.
The Action of Bisglycinate: The bisglycinate form (magnesium bound to two molecules of the amino acid glycine) is highly bioavailable and doesn't usually cause gastrointestinal discomfort. Glycine itself also has calming properties, making this form the ideal choice for promoting restorative sleep, a key moment for cellular regeneration.

Smart Chrononutrition: What's the Best Time to Take Them?

As we discussed, "when" can optimise "what". There's no single rule, but there are two logical strategies based on physiology:

Protocol A (Focus on Detoxification and Evening Calm)

Morning (with breakfast): Curcumin and NR. For anti-inflammatory control and an energy boost that lasts all day.
Evening (with or without dinner): NAC and Magnesium. To support the liver's detoxification cycles and promote deep, restorative sleep.

Protocol B (Focus on Pure Energy and Absorption with Food)

Morning (fasted): NAC and NR. For maximum absorption and an antioxidant, energising start to the day.
Evening (with dinner): Curcumin and Magnesium. To make use of the fats in dinner for maximum curcumin absorption and prepare the body for rest.

The choice between the two protocols may depend on individual goals and personal response.

Conclusion: A Proactive Investment in Your Biology

The "Cellular Regeneration Protocol" represents a paradigm shift: from reacting to problems to proactively building a resilient cellular environment. By combining a NAD+ activator, a glutathione precursor, a powerful anti-inflammatory and an essential mineral for relaxation, the fundamental pillars of healthy ageing are addressed synergistically. It's a science-based strategy, designed for those who understand that tomorrow's vitality is built in today's cells.

Disclaimer: This article is for informational purposes only and does not constitute medical advice. Please consult your healthcare professional before starting any new supplementation regime.

Why is magnesium so crucial? (and why LifeXpan® Magnesium Bisglycinate is your best choice)

2025-08-07T08:08:08.000Z

Have you ever wondered why magnesium is so important for your body? This often-underestimated mineral is a true unsung hero, involved in more than 300 vital biochemical reactions. From energy production to bone health and muscle function, magnesium is essential for everything to work perfectly.

But not all magnesium supplements are the same. Today we're going to talk about a specific form that stands out for its high effectiveness: LifeXpan® Magnesium Bisglycinate.

LifeXpan® Magnesium Bisglycinate contains Magnesium Bisglycinate, a form of magnesium renowned for its high bioavailability. Magnesium is an essential mineral that plays a crucial role in more than 300 enzymatic reactions in the human body, making it indispensable for the biochemical functioning of numerous metabolic pathways.

Why is magnesium so crucial?

LifeXpan® Magnesium Bisglycinate, a top-quality product.

Picture your body as an orchestra. Magnesium is the conductor that ensures every instrument (every cell, every process) plays in harmony. It's essential for:

Energy and Vitality: It's directly involved in the production of ATP, the energy currency of your cells.
Muscles and Nerves: It's key to muscle contraction and nerve impulse transmission. It helps prevent cramps and supports a balanced nervous system.
Strong Bones: It contributes to bone mineralisation, working alongside other nutrients to keep your bones dense and resilient.
Blood Sugar and Blood Pressure Control: It plays a role in regulating blood sugar and maintaining healthy blood pressure.
Immune Function: It's important for the activation of immune cells, helping your body defend itself.

Proven Clinical Benefits:

Magnesium is a vital cofactor involved in processes such as ATP production (the body's main source of cellular energy), DNA stabilisation, muscle contraction, neuromuscular conduction, glycaemic control, myocardial contraction, and blood pressure regulation. Inadequate magnesium intake can compromise these essential biochemical processes.

There is Level I evidence supporting the use of magnesium in the prevention and treatment of a wide range of common health conditions. These include migraines, metabolic syndrome, diabetes, hyperlipidaemia, asthma, premenstrual syndrome (PMS), pre-eclampsia and various cardiac arrhythmias. Magnesium may also be considered for the prevention of kidney stones and cataract formation, as an adjunct or treatment for depression, and as a therapeutic intervention for many other health-related disorders.

In the field of bone health, magnesium is an important mineral for bone mineralisation and structure. Its role extends to cardiovascular health, where it plays a significant therapeutic and preventive function by regulating blood pressure and myocardial contraction. At the neuromuscular level, it's essential for nerve impulse conduction and muscle contraction. Finally, magnesium is involved in important immune functions, such as macrophage activation, the bactericidal activity of granulocytes and lymphocyte proliferation.

LifeXpan®'s choice of "Magnesium Bisglycinate", noted for its "high bioavailability", is a key factor in its effectiveness. Although other clinical studies show benefits with different forms of magnesium (such as oxide, citrate or chloride), the emphasis on bisglycinate suggests a formulation designed to optimise absorption and use by the body. Greater bioavailability means that a larger proportion of the magnesium consumed reaches the bloodstream and cells, which could translate into more effective results or the ability to achieve the same benefits with potentially lower doses. This highlights that the chemical form of a nutrient can be just as important as the total amount for its impact on health.

The advantage of LifeXpan® Magnesium Bisglycinate

The key to a supplement's effectiveness lies in its bioavailability, that is, the amount of nutrient your body can actually absorb and use. LifeXpan® Magnesium uses a form of magnesium bound to two glycine molecules, which significantly improves its absorption and reduces the digestive discomfort sometimes associated with other forms of magnesium. This means you'll get more benefits from every dose.

Clinically proven benefits

Research has shown that an adequate intake of magnesium can be a great support for a variety of common conditions:

Migraines: May help reduce the frequency and duration of attacks.
Premenstrual Syndrome (PMS): Eases symptoms such as fluid retention and general discomfort.
Insomnia: In older adults, it has been observed to help fall asleep more quickly.
Depression: May improve symptoms in cases of mild to moderate depression.
Cardiovascular Health: Contributes to the regulation of blood pressure and the maintenance of a normal heart rhythm.
Diabetes and Metabolic Syndrome: Plays a role in glucose regulation.
Asthma: Its role in improving symptoms has been investigated

How much and how should you take it?

The Recommended Daily Allowance (RDA) of magnesium for adults ranges between 310 and 420 mg per day, depending on age and sex. For pregnant women, requirements increase to 350–360 mg per day.

For specific conditions, the studied doses vary:

For insomnia, doses between 320 and 729 mg per day have been used.
For depression, improvements have been observed with 248 mg or 305 mg per day.
In the case of migraines, 500 mg per day (providing 300 mg of elemental magnesium) have proven effective.

It's advisable to spread your daily magnesium intake throughout the day to optimise absorption and avoid possible discomfort.

Important considerations

Although magnesium toxicity is rare, it's important not to exceed 350 mg per day of supplementary magnesium without medical supervision. At very high doses, some side effects may include diarrhoea, nausea and abdominal cramps. In addition, magnesium can interact with certain medications, such as antibiotics and diuretics, so it's always crucial to consult your doctor or pharmacist before starting any supplement.

Your wellbeing, a priority

Magnesium is a fundamental mineral for your overall health. If you're looking for comprehensive support for your energy, muscles, bones and mental wellbeing, the(https://lifexpan.eu) is an excellent choice thanks to its high bioavailability and clinically proven benefits.

Always remember that supplements are a complement to, not a substitute for, a balanced diet and a healthy lifestyle. Make your wellbeing a priority and consult a healthcare professional for personalised guidance!

And if you're looking for a pack that can help complete the healthy ageing process, try combining it with LifeXpan® NR PURO, LifeXpan Magnesium and LifeXpan Optimal

Magnesium: How Much Do You Need and When Should You Take It to Maximise Its Benefits?

Magnesium is a fundamental mineral for your health, involved in hundreds of bodily processes. But do you know how much magnesium you really need and what the best time to take it is? Here's a simple explanation.

What Is the Recommended Daily Allowance of Magnesium?

The amount of magnesium your body needs can vary depending on your age and sex. The Recommended Daily Allowances (RDA) established by experts are as follows:

Age	Men (mg)	Women (mg)
19–30 years	400	310
31–50 years	420	320
51+ years	420	320

If you're pregnant (and over 18), your needs increase to 350–360 mg per day.

Specific Doses for Certain Conditions (according to studies):

Research has explored higher magnesium doses to address specific health issues:

For insomnia in older adults: Doses between 320 and 729 mg per day have been used to help fall asleep more quickly.
For mild to moderate depression: Some studies have shown improvements with doses of 248 mg or 305 mg per day.
For Premenstrual Syndrome (PMS): Doses of 200 mg per day have helped with fluid retention, and 250 mg per day combined with vitamin B6 have relieved general PMS symptoms.
For migraines: A dose of 500 mg per day (equivalent to 300 mg of elemental magnesium) has proven effective in reducing the frequency and duration of attacks.

What's the Best Time to Take Magnesium?

To optimise absorption and avoid possible digestive discomfort, such as diarrhoea or abdominal cramps, it's best to spread your daily magnesium intake throughout the day rather than taking one large dose.

For example, if your recommended dose is 400 mg, you could take 200 mg in the morning and 200 mg in the evening.

Key Points to Remember:

Don't exceed the dose without supervision: Although magnesium toxicity is rare, it's advisable not to exceed 350 mg per day of supplemental magnesium without the guidance of a medical professional.
Possible interactions: Magnesium can interact with certain medications (such as antibiotics and diuretics). If you're taking any medication or have pre-existing health conditions, always consult your doctor or pharmacist before starting any supplement.

Magnesium is a cornerstone of your overall wellbeing. Knowing the right doses and how to take it will help you get the most out of its benefits.

Bibliography

PMC. (2017).

Magnesium is an essential element required as a cofactor for over 300 enzymatic reactions and is thus necessary for the biochemical functioning of numerous metabolic pathways. Retrieved from https://pmc.ncbi.nlm.nih.gov/articles/PMC5637834/

PMC. (2018).

Magnesium (Mg2+) has several functions in the human body. It acts as a cofactor for more than 300 enzymes, regulating a number of fundamental functions such as muscle contraction, neuromuscular conduction, glycemic control, myocardial contraction, and blood pressure. Retrieved from https://pmc.ncbi.nlm.nih.gov/articles/PMC5926493/

Healthline. (n.d.).

The maximum recommended daily dose of magnesium for adults is 420 mg for males and 350 mg for females. Retrieved from https://www.healthline.com/nutrition/magnesium-dosage

Important Note: Disclaimer Food supplements are designed to complement, not replace, a balanced diet, a healthy lifestyle or professional medical advice. It is strongly recommended to always consult a qualified healthcare professional before starting any new supplement regime, especially if you have pre-existing health conditions, are pregnant or breastfeeding, or are taking other medications concurrently. This report provides general scientific information and should not be considered a substitute for personalised medical guidance.