Biohacking supplements are products people use with a specific goal in mind, such as better exercise performance, sharper thinking, improved sleep, or healthier aging. 

The name sounds futuristic, but many of these supplements are familiar compounds such as creatine, omega-3s, magnesium, and vitamin D.

The catch is that the evidence behind them varies a lot. Creatine has decades of human research. NMN reliably raises NAD+ in small clinical trials, but we do not yet know if that translates into a longer life. Spermidine has promising biology behind it, yet a larger human trial failed to improve its main memory outcome. Those differences matter.

Key Takeaways:

• Creatine and omega-3s have strong human evidence for several specific outcomes.

• NMN has increased blood NAD+ in human trials, but its long-term effects on healthy aging remain under study.

• Magnesium may help some people, especially when intake is low, but the sleep evidence is mixed.

• A useful biohacking stack starts with a clear goal, not a long shopping list.

What Are Biohacking Supplements?

“Biohacking supplement” is not a medical category. It is a broad label for supplements used to influence measurable areas of health or performance.

People may use them to target:

• Exercise performance and recovery

• Focus and cognitive performance

• Sleep

• Energy metabolism

• Cardiovascular health

• Healthy aging and cellular function

The smartest way to think about biohacking is less “take everything that sounds advanced” and more “identify a goal, choose something supported by research, then track what happens.”

That distinction can save you money and a very crowded supplement drawer.

Which Biohacking Supplements Have the Best Evidence?

Some biohacking supplements have much stronger human evidence than others. The options below stand out because they have been tested in clinical trials, although the strength of the research and the outcomes studied vary from one supplement to another.

Creatine

Creatine is best known as a sports supplement, and its evidence for strength and exercise performance is well established. Researchers have also started looking more closely at its effects on the brain.

A 2024 meta-analysis combined 16 randomized controlled trials involving 492 adults. Creatine supplementation was associated with improvements in memory, attention time, and processing speed. The researchers found no significant improvement in executive function or total cognitive performance, and they rated much of the cognitive evidence as low certainty apart from memory (1).

That makes creatine a good example of how biohacking claims need context. It has strong evidence in sports nutrition, while the cognitive side remains a developing area of research.

Omega-3 Fatty Acids

EPA and DHA, the main long-chain omega-3 fatty acids found in fish oil, have been studied extensively for cardiovascular health and blood lipids.

A dose-response meta-analysis reviewed 90 randomized trials involving 72,598 participants. Higher EPA and DHA intake was associated with reductions in triglycerides and non-HDL cholesterol, with larger triglyceride reductions appearing at doses above roughly 2 grams per day (2).

That does not mean everyone needs a high-dose fish oil supplement. Diet, existing cardiovascular risk, medication use, and the amount of omega-3 already consumed can change the equation.

Magnesium

Magnesium has become one of the internet's favorite sleep supplements, but the evidence deserves a closer look.

A systematic review covering 7,582 adults found links between magnesium status and sleep quality in observational research. Randomized trials, however, produced mixed results (3).

So magnesium may make sense when dietary intake is low or deficiency is present. Calling it a proven sleep solution for everyone goes further than the current evidence supports.

NMN

Nicotinamide mononucleotide, or NMN, is a precursor to NAD+, a molecule involved in cellular energy metabolism and many enzyme reactions.

One randomized trial gave 30 healthy adults 250 mg of NMN per day for 12 weeks. Blood NAD+ levels increased significantly, and researchers reported no serious treatment-related safety concerns during the study (4).

Another 12-week trial involving 60 older adults also used 250 mg daily. NMN increased blood NAD+ levels and was linked with a faster 4-meter walking time, although the study did not find a significant difference in its primary stepping-test outcome (5).

This distinction is important. Human research supports NMN's ability to raise circulating NAD+. We still need longer and larger trials to learn what sustained NAD+ increases mean for aging, disease risk, and lifespan.

Resveratrol

Resveratrol is a plant polyphenol found in foods such as grapes and berries. It gained attention in longevity research because of its effects on cellular stress-response pathways in laboratory models.

Human results are less straightforward.

A meta-analysis examining resveratrol supplementation in older adults found no significant improvement in immediate memory, delayed memory, working memory, or processing speed (6).

That does not make resveratrol useless. It means laboratory findings and biological mechanisms should not be treated as proof of a specific human outcome.

Spermidine

Spermidine is a naturally occurring polyamine linked with autophagy, the cellular process involved in recycling damaged or unnecessary cell components.

Early research generated plenty of interest. A larger trial gives us a more cautious picture.

Researchers studied 100 adults aged 60 to 90 with subjective cognitive decline. Participants received spermidine or placebo for 12 months. The supplement was well tolerated, but it did not significantly improve the study's primary memory outcome compared with placebo (7).

For now, spermidine belongs in the promising-but-not-proven category.

How Do You Build a Biohacking Supplement Stack?

More supplements do not automatically mean better results. A shorter stack with a reason behind every ingredient makes far more sense.

A simple approach is:

1. Pick one goal. Is it training performance, sleep, cognition, or healthy aging?

2. Look at the basics first. Diet, sleep, exercise, alcohol intake, and nutrient deficiencies can matter more than another capsule.

3. Choose ingredients with human evidence. Pay attention to the outcome studied, not just the ingredient name.

4. Check the dose. An ingredient listed on the label means little if the amount sits far below doses used in research.

5. Add one thing at a time. Otherwise, you will have no idea what helped or caused a side effect.

6. Track something measurable. Training volume, sleep duration, blood markers, or another relevant metric can give you more useful information than how you feel on one random Tuesday.

Supplements work best as targeted tools, not collectibles.

Which Biohacking Supplements Have More Hype Than Evidence?

Some biohacking products are built around fascinating ideas but very little human evidence.

Be more cautious with:

• Large proprietary nootropic blends with undisclosed ingredient doses

• Compounds supported mainly by cell or animal studies

• Large longevity stacks copied from influencers

• Products promising dramatic anti-aging effects

• Supplements marketed as replacements for sleep, exercise, or medical treatment

Animal and laboratory studies are valuable for understanding mechanisms. They are also the beginning of the evidence chain, not the finish line.

A compound can extend a worm's lifespan or change a pathway in cultured cells without producing the same result in humans.

Are Biohacking Supplements Safe?

A supplement being sold without a prescription does not automatically make it risk-free.

Problems can arise from high doses, combining several products containing the same nutrient, contamination, or interactions with medicines. People who are pregnant, have a health condition, or take prescription medications should speak with a qualified healthcare professional before building a supplement stack.

Product quality matters too. Look for clearly stated doses, transparent ingredient lists, and independent testing for identity and purity.

Final Words

Good biohacking is surprisingly boring. You identify something worth improving, choose an intervention with reasonable evidence, measure the result, and keep your expectations grounded.

Creatine and omega-3s have substantial human research behind specific uses. Magnesium can make sense in the right context. NMN, resveratrol, and spermidine are especially interesting for healthy-aging research, but they sit at different stages of the evidence curve. A promising mechanism is not the same thing as a proven outcome.

At Omre, we take that research-first approach when formulating supplements. Our NMN + Resveratrol combines two compounds being studied in cellular aging research, using clearly stated doses rather than hiding ingredients inside a proprietary blend. 

It can be considered as part of a broader healthy-aging routine, alongside the less exciting things that still matter most: good food, regular movement, quality sleep, and sensible healthcare.

FAQs

What are the best supplements for biohacking?

There is no single best biohacking supplement. Creatine has strong evidence for exercise performance, omega-3s can support healthy blood lipid levels, and supplements such as NMN are being researched for cellular aging.

What supplements do biohackers take?

Common choices include creatine, omega-3s, magnesium, vitamin D, NMN, resveratrol, and spermidine. The evidence and reason for taking each one differ considerably.

Is NMN considered a biohacking supplement?

Yes. NMN is widely discussed in biohacking because it acts as a precursor to NAD+. Human trials have shown that oral NMN can raise circulating NAD+ levels, although its long-term effects remain under investigation.

What is the best biohacking supplement for energy?

It depends on what is causing low energy. Creatine supports rapid cellular energy production during demanding exercise, while NAD+ precursors such as NMN are being investigated for their role in cellular energy metabolism. Persistent fatigue should be assessed medically rather than treated through supplements alone.

Are biohacking supplements safe to take every day?

Some supplements have good safety data at studied doses, but safety depends on the ingredient, amount, medications, health conditions, and combinations being taken. Check individual products rather than treating every biohacking supplement the same way.

References

1. The effects of creatine supplementation on cognitive function in adults: a systematic review and meta-analysis, Frontiers in Nutrition, 2024.

2. Association Between Omega-3 Fatty Acid Intake and Dyslipidemia: A Continuous Dose-Response Meta-Analysis of Randomized Controlled Trials, 2023.

3. The association of magnesium supplementation and sleep quality, systematic review.

4. Safety and efficacy of NMN supplementation in healthy adults, randomized clinical trial.

5. Effects of 12-week NMN supplementation in older adults, randomized controlled trial.

6. Effects of resveratrol supplementation on cognitive function in older adults, systematic review and meta-analysis.

7. Effects of spermidine supplementation on memory performance in older adults, randomized clinical trial.