Longevity experts discuss supplements such as creatine, omega-3s, vitamin D, CoQ10, and resveratrol, but they don't share one agreed-upon "longevity stack," and none of these supplements has been proven to extend human lifespan. Their strongest common ground is exercise, sleep, and nutrition. ^{[4] [6]}

Maybe you heard a podcast guest walk through their morning supplement routine.
Or you came across a "longevity stack" online, with a dozen bottles lined up on a kitchen counter.
It's natural to wonder whether you should be taking the same things.

But hearing an expert discuss an ingredient doesn't mean they personally take it, or that it would be right for you.

Which of these supplements is worth understanding? We'll compare expert perspectives, clarify what the science actually shows, and look more closely at CoQ10, resveratrol, and everyday ways to support healthy aging.

Lifespan vs. Healthspan: What Are Longevity Experts Trying to Improve?

Lifespan is how long you live. Healthspan is how long you live in good health: able to move comfortably, think clearly, and keep doing the things that matter to you.

Much of the longevity conversation is really about healthspan. Living longer is one goal. Staying strong, capable, and independent for more of those years is the one most people care about day to day.

That shift changes the question worth asking about supplements. Instead of "Will this help me live longer?" a more useful question is:

"Is there good evidence this supports how I want to function as I age?"

What Do Longevity Experts Agree On?

Longevity experts often disagree about individual supplements, but they consistently point to exercise, sleep, and nutrition as the foundation of healthy aging.

Dr. Peter Attia, author of Outlive, emphasizes exercise, metabolic health, and maintaining physical capability as we age. He has also been openly skeptical of resveratrol, writing that a recent clinical trial found no benefit over placebo on any measured outcome and that the evidence against it as an anti-aging compound continues to grow. ^[1]

Dr. David Sinclair, a Harvard genetics researcher and author of Lifespan, studies the biology of aging. His work has brought considerable attention to resveratrol, sirtuins, and the cellular processes associated with aging. ^[2]

That contrast is useful. The same compound Sinclair's work helped bring into the spotlight is one Attia views skeptically. Well-known experts can look at the same evidence and reach different conclusions.

Dr. Andrew Huberman, a neuroscientist and host of the Huberman Lab podcast, frequently discusses the importance of sleep, exercise, and nutrition alongside targeted supplementation. CoQ10 and mitochondrial health have also come up on his podcast, including in a conversation with guest Dr. Craig Koniver. ^{[3] [15]}

While these experts don't always agree on the usefulness of individual supplements, their work points toward an important principle: healthy aging depends on maintaining the systems that keep our bodies functioning well.

Exercise, sleep, and nutrition remain fundamental.
Supplementation is another area worth examining, particularly when the ingredients have identifiable biological roles.

These experts have not evaluated or endorsed Stem Cell Renew. Their perspectives are included for educational purposes.

Which Supplements Come Up in Longevity Research?

Commonly discussed ingredients serve different purposes.
This quick comparison separates their established roles or research interests from claims about living longer.

These are research topics, not an endorsed stack or a verified list of what any expert personally takes.
A supplement's relevance depends on the evidence and your individual needs.

You may also hear about rapamycin and metformin in longevity discussions.
These are prescription drugs, not dietary supplements.
Rapamycin extended lifespan in mice in the same NIA program that tested resveratrol, but its use for longevity in people remains investigational. ^[18]

Should You Copy an Expert's Supplement Routine?

No. Experts differ in how they interpret the evidence, and public discussion of a supplement does not establish that someone takes it or recommends it to everyone. Rather than copying an individual routine, consider your nutrition, activity, goals, medications, and the quality of human evidence behind each ingredient.

Why Is Cellular Energy Important for Healthy Aging?

Your cells need a steady supply of usable energy to do their work, and mitochondria produce most of it. That is why cellular energy comes up so often in conversations about healthy aging.

Every movement you make, every thought you have, and every heartbeat depends on energy.

But before your body can use the nutrients from food, it needs to convert them into a usable form.
That's where mitochondria come in.

What Are Mitochondria?

Mitochondria are specialized structures found inside most of your body's cells.
They're often called the powerhouses of the cell because they help convert nutrients into adenosine triphosphate, or ATP. ^[5]

Think of ATP as the energy your cells can actually spend.

Your muscles use it to contract. Your brain relies on it to maintain normal function. Your body's everyday cellular maintenance processes require it, too.

What Happens to Mitochondria as We Age?

As we get older, mitochondrial function can change.

These changes vary between tissues and individuals, but researchers have observed age-related differences in mitochondrial efficiency, cellular energy metabolism, and the systems responsible for maintaining healthy mitochondria. ^[5]

Over time, accumulated cellular damage and changes in mitochondrial function may contribute to aspects of biological aging. ^[5]

This is one reason mitochondrial biology has become an important area of longevity research.
And it helps explain the interest in nutrients such as CoQ10.

What Does CoQ10 Do for the Body?

Coenzyme Q10 (CoQ10) is a naturally occurring compound that helps mitochondria produce cellular energy and participates in the body's antioxidant defenses. ^[6]

Your body makes CoQ10 on its own.

It's found throughout the body, particularly in organs with substantial energy requirements, including the heart, liver, and kidneys.

Within mitochondria, CoQ10 helps transfer electrons through a series of reactions called the electron transport chain. This process contributes to ATP production. ^[6]

In simpler terms, CoQ10 helps your cells convert the nutrients you consume into the energy they need to function.

Does CoQ10 Decline With Age?

CoQ10 levels can change as we age, although these changes are not identical in every tissue. Certain medications, health conditions, and individual biological differences can also influence CoQ10 levels.

This has led scientists to investigate whether supplementation might benefit particular populations.

A 2022 systematic review and meta-analysis examined 13 randomized controlled trials involving 1,126 participants. Researchers found that CoQ10 supplementation was associated with improvements in fatigue scores compared with placebo. ^[7]

However, results varied by dose, duration, and formulation. In subgroup analyses, the improvement was statistically significant for CoQ10-only supplements but not for combination formulations. ^[7]

That distinction matters.
The findings don't establish that every CoQ10 supplement will produce the same results.

Does CoQ10 Give You More Energy?

CoQ10 plays an essential role in energy production, but it doesn't work like caffeine.

Caffeine can temporarily make you feel more alert by acting on your nervous system.
CoQ10 participates in the biological process your cells use to produce ATP.

That's a very different mechanism.

Taking CoQ10 doesn't automatically mean your body will produce more usable energy or that you'll notice an immediate difference. However, its established role in mitochondrial function makes it an important compound in discussions about cellular health.

CoQ10 is also fat-soluble, which means its absorption may improve when taken with food containing some dietary fat. ^[8]

For more information, the National Center for Complementary and Integrative Health (NCCIH), part of the National Institutes of Health, provides a consumer-friendly overview of CoQ10's benefits, limitations, and medication interactions. ^[6]

What Does Resveratrol Do for Aging?

Resveratrol is a plant compound studied for its effects on cellular signaling pathways linked to aging.
It has not been shown to slow aging or extend lifespan in people.

Resveratrol is a naturally occurring plant compound found in grapes, certain berries, and Japanese knotweed. It belongs to a larger group of compounds called polyphenols.

Researchers are interested in polyphenols because of their biological activity, including their interactions with oxidative processes and cellular signaling pathways.

Resveratrol has attracted particular attention for its relationship with proteins called sirtuins. ^[4]

What Are Sirtuins?

Sirtuins are a family of proteins involved in several important cellular processes, including metabolism and responses to cellular stress.

One member of this family, SIRT1, has been extensively studied in aging research.
Laboratory and animal studies have investigated how resveratrol interacts with SIRT1-related pathways. ^[4]

These findings have helped researchers explore the possibility that certain compounds could influence processes associated with aging.

However, laboratory findings don't always translate into meaningful benefits in humans.

Can Resveratrol Help You Live Longer?

Resveratrol has not been proven to extend human lifespan. ^[4]

While laboratory and animal research has identified interesting biological effects, human clinical studies have produced mixed results.

One of the most rigorous animal tests to date came from the National Institute on Aging's Interventions Testing Program, which evaluates compounds in genetically diverse mice at multiple research sites. Resveratrol did not extend lifespan in those mice. ^[18]

The National Institute on Aging discusses resveratrol as a compound of interest while emphasizing the limited evidence supporting longevity benefits in people. ^[4]

That doesn't make the research irrelevant. It means there's still a meaningful difference between understanding what a compound does at the cellular level and demonstrating that taking it improves long-term health outcomes.

Resveratrol remains an active area of scientific interest, particularly in research involving cellular signaling and metabolism.

CoQ10 vs. Resveratrol: What's the Difference?

CoQ10 is a compound your body makes and uses for energy production. Resveratrol is a plant polyphenol that is still under investigation. Neither has been shown to extend human lifespan. ^{[4] [6]}

 

CoQ10 has a well-established function in human biology.
Resveratrol's role in longevity remains experimental, and the human evidence so far is mixed.

Understanding this distinction can help you evaluate supplements based on what their ingredients actually do, rather than assuming every ingredient associated with longevity has the same level of evidence.

For a broader look at how nutrients relate to normal cellular function, see our guide to supplements for cellular health.

How Can You Support Mitochondrial Health Naturally?

Regular aerobic exercise, strength training, quality sleep, and a nutrient-rich diet are the everyday foundations for supporting mitochondrial function and long-term health. Supplements can complement those habits, not replace them.

1. Improve Aerobic Fitness With Zone 2 Training

Zone 2 training involves sustained aerobic exercise at a manageable intensity. Activities like brisk walking, cycling, and swimming can help improve cardiovascular fitness and support mitochondrial adaptations. Higher-intensity exercise offers benefits, too. The key is consistency rather than focusing exclusively on one training zone. [9]

2. Maintain Muscle Strength

Resistance training helps preserve muscle mass, strength, and physical independence as you age. Bodyweight exercises, resistance bands, and weights are all effective options.

The World Health Organization recommends 150–300 minutes of moderate aerobic activity weekly, plus muscle-strengthening exercises at least twice a week. [10]

3. Prioritize Quality Sleep

Quality sleep supports recovery, metabolism, and normal cellular function. Most adults should aim for at least seven hours nightly. Maintaining a consistent sleep schedule, creating a comfortable sleeping environment, and limiting late-day caffeine can help. [11] For more on why sleep length and sleep quality are not the same thing, see why you can wake up tired after 8 hours of sleep.

4. Eat to Support Cellular Function

A balanced diet provides essential nutrients involved in energy production and cellular maintenance. Focus on:

• Fruits and vegetables: Vitamins and beneficial plant compounds.
• Nuts, seeds, and olive oil: Healthy unsaturated fats.
• Fish and other protein sources: Nutrients that support muscle maintenance.
• Whole grains and legumes: Fiber, vitamins, minerals, and energy.

Together, these habits provide a strong foundation for healthy aging, with supplementation serving as a potential complement.

Are Longevity Supplements Worth Taking?

Some can be, depending on your needs and the evidence behind them.
No supplement has been proven to extend human lifespan, so the more useful question is whether a specific ingredient has good evidence for the reason you're taking it.

CoQ10 plays an essential role in cellular energy production, while resveratrol remains under investigation, with mixed human evidence so far.

When choosing a supplement, look for credible research, clear ingredient information, and product-specific safety guidance. A multi-ingredient formula may be a convenient way to include several ingredients in a daily routine, but convenience is not proof of effectiveness.

Are Longevity Supplements Safe to Take With Medication?

Not always. "Natural" does not mean interaction-free, so review any supplement with your healthcare professional if you take medication, have a medical condition, are pregnant or nursing, or are preparing for surgery.

For example, CoQ10 may interact with warfarin, and ginkgo may increase bleeding risk when used with certain blood-thinning medicines. ^{[6] [14]}

Bring the full Supplement Facts label to your doctor or pharmacist, and don't stop or change a prescribed medication because you've started a supplement.

Supporting Healthy Aging Starts With Everyday Choices

The science of longevity continues to advance, and researchers are learning more about the biological processes involved in aging.

If you're interested in getting CoQ10, a resveratrol source, and several essential vitamins in one daily routine, that is where Stem Cell Renew fits. ^[13]

Formulated by Dr. Sam Walters, Stem Cell Renew brings together CoQ10, resveratrol-containing botanical extracts, and essential nutrients in one daily formula.

Each ingredient contributes its own nutritional or biological properties.

What's Inside Stem Cell Renew?

Each two-capsule serving contains the following ingredients and amounts, as listed on the current Supplement Facts panel. ^[13]

Coenzyme Q10 — 100 mg

CoQ10 plays an essential role in normal mitochondrial energy production and participates in antioxidant function.

Polygonum cuspidatum Root Extract — 100 mg

Standardized to 50% resveratrol, providing approximately 50 mg of this plant polyphenol, which is studied for its activity in cellular signaling pathways.

BioVin® Full-Spectrum Grape Extract — 100 mg

Provides grape-derived polyphenols associated with antioxidant activity.

Organic Goji Berry — 150 mg

Contains naturally occurring plant compounds, including polysaccharides, that have attracted interest for their antioxidant properties.

Ginkgo Biloba Leaf Powder — 120 mg

A botanical studied for potential effects on circulation and cognitive function, although findings differ across preparations and clinical studies. ^[14]

L-Theanine — 100 mg

An amino acid naturally found in tea that has been studied for its potential effects on relaxation and attention.

Vitamin D3 — 50 mcg (2,000 IU); Vitamin B6 — 1.7 mg; Vitamin B12 — 2.4 mcg

Essential nutrients that support normal functions involving bone health, energy metabolism, and the nervous system.

Is a Combination Formula Right for You?

Stem Cell Renew is designed for people who want CoQ10 alongside a resveratrol source, other plant compounds, and essential vitamins in one daily routine. Research has not established that combining these ingredients produces greater benefits than taking any of them individually.

Stem Cell Renew is formulated to support normal cellular function and healthy aging.*

Research on its individual ingredients does not establish that the finished formula extends human lifespan or produces the same outcomes.

Stem Cell Renew does not contain stem cells, is not stem-cell therapy, and is not a treatment for any disease.

Follow the label directions. The label advises discontinuing use two weeks before surgery. ^[13]

Daily Use and Guarantee

Each bottle contains 60 capsules, providing a 30-day supply when taken as directed.

It's also backed by Vitality Now's 180-Day Money-Back Guarantee. A guarantee isn't evidence of a health benefit, but it does give you time to decide whether the product fits your routine. ^[13]

Explore Stem Cell Renew →

The Bottom Line: What Supplements Do Longevity Experts Take?

Longevity experts discuss supplements such as creatine, omega-3s, vitamin D, CoQ10, and resveratrol, but they don't share one routine, and none of these has been proven to extend human lifespan.

What they agree on is less exciting and more useful: regular movement, strength training, consistent sleep, and good nutrition.

If you're considering a longevity supplement, start with three questions:

• What does the human evidence actually show for this ingredient?
• Does it match what I want to support as I age?
• Is it safe with my medications and health history?

The science of longevity continues to advance, and researchers are learning more about the biological processes involved in aging.

For those interested in adding nutritional support to those everyday habits, ingredients such as CoQ10 and plant-derived polyphenols offer areas worth understanding.

Stem Cell Renew brings CoQ10, resveratrol-containing botanical extracts, and essential nutrients together in a convenient daily formula designed to support normal cellular function and healthy aging.*

The goal isn't to copy someone else's supplement list. It's to build habits, and choose products, based on evidence you understand.

This article reflects research and guidance reviewed through October 2026. Longevity science moves quickly, and evidence that looks promising today may become stronger or weaker as new studies are published.

Medical Disclaimer: This article is for informational and educational purposes only and is not medical advice. Research on supplements and healthy aging is ongoing. Studies of individual ingredients do not establish that a finished product provides the same benefits. Consult a qualified healthcare professional before starting a supplement, especially if you take medications, are pregnant or nursing, have a medical condition, or are preparing for surgery.

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.

Sources & References

The citation numbers in the article link to the corresponding original sources. Product facts and product policies are sourced from the current Stem Cell Renew page.

1.  Attia, P. & Birkenbach, K. (2024). Failure of resveratrol to improve metabolic health is another nail in the coffin for the alleged “anti-aging” compound.  View source

2.  Harvard Medical School. David A. Sinclair, PhD — genetics and aging research profile.  View source

3.  Huberman Lab (2024). Dr. Craig Koniver: Peptide & Hormone Therapies for Health, Performance & Longevity — CoQ10 discussion at 01:01:54.  View source

4.  National Institute on Aging (2020). Live Long in Good Health: Could Calorie Restriction Mimetics Hold the Key?  View source

5.  Marei, H. E. (2026). Mitochondria at the heart of aging: structure, function, and failure. Journal of Translational Medicine, 24, 716.  View source

6.  National Center for Complementary and Integrative Health. Coenzyme Q10 — health information and safety.  View source

7.  Tsai, I.-C., et al. (2022). Effectiveness of Coenzyme Q10 Supplementation for Reducing Fatigue: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. Frontiers in Pharmacology, 13, 883251.  View source

8.  NIH Office of Dietary Supplements. Dietary Supplements for Primary Mitochondrial Disorders — CoQ10 absorption and formulations.  View source

9.  Storoschuk, K. L., et al. (2025). Much Ado About Zone 2: A Narrative Review Assessing the Efficacy of Zone 2 Training. Sports Medicine, 55, 1611–1624.  View source

10.  World Health Organization (2024). Physical activity — fact sheet.  View source

11.  Centers for Disease Control and Prevention (2024). About Sleep — recommendations by age.  View source

12.  NIH Office of Dietary Supplements. Dietary Supplements for Exercise and Athletic Performance — creatine evidence.  View source

13.  Vitality Now. Stem Cell Renew — formula, Supplement Facts, and label precautions.  View source

14.  National Center for Complementary and Integrative Health. Ginkgo — usefulness and safety.  View source

15.  Huberman Lab (2023). AMA #12: Thoughts on Longevity Supplements & How to Improve Memory.  View source

16.  NIH Office of Dietary Supplements. Omega-3 Fatty Acids — Fact Sheet for Health Professionals.  View source

17.  NIH Office of Dietary Supplements. Vitamin D — Fact Sheet for Health Professionals.  View source

18.  Miller, R. A., et al. (2011). Rapamycin, but not resveratrol or simvastatin, extends life span of genetically heterogeneous mice. Journals of Gerontology: Series A, 66(2), 191–201.  View source