Evidence-based head-to-head comparisons of top longevity supplements, devices, and protocols.
Which NAD+ precursor is better?
Both NMN and NR effectively raise NAD+ levels. We break down the evidence, bioavailability differences, and who should choose which.
Best longevity wearable?
WHOOP wins for HRV and recovery. Oura wins for sleep staging. After 6 months wearing both simultaneously, here's the verdict.
Which delivers better longevity benefits?
The KIHD mortality data is from traditional saunas. Infrared has unique near-IR benefits. We break down temperature, cost, and cardiovascular impact.
Insight Timer vs Calm vs Headspace vs more
We compare Insight Timer, Calm, Headspace, 10% Happier, and Wim Hof. Free options, pricing, science backing, and best use cases revealed.
Running vs Cycling vs Rowing vs Swimming
VO₂ max stimulus, injury risk, longevity impact, and cost breakdown for each cardio style. Rowing wins VO₂ gains. Cycling wins sustainability.
Best anti-sarcopenic supplement?
For muscle retention and longevity, creatine has 500+ studies. HMB has a narrower evidence base. The evidence comparison is clear.
Is a $5,000 cold plunge worth it?
A DIY chest freezer reaches the same temperature as a $5,000 Plunge Pro. But filtration, convenience, and maintenance tell a different story.
Which magnesium form is best?
The form of magnesium matters enormously. Glycinate for sleep, L-Threonate for cognitive benefits, Malate for energy. Full breakdown.