Longevity Ledger · Updated September 2026
Healthy Aging: An Evidence-First Starting Point
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Healthy aging is broader than any supplement. The most useful approach separates established health practices from emerging longevity research and commercial claims.
Build from fundamentals
Physical activity, adequate nutrition, sleep, preventive healthcare and management of established risk factors belong ahead of speculative interventions.
Where supplements fit
Supplements may have specific uses, but “longevity” on a label does not establish a lifespan benefit. Start with our longevity supplements guide.
How to use this site
Use our science guides to understand mechanisms, ingredient pages to examine evidence, and product reviews to compare what a finished formula actually establishes.
Health note: Dietary supplements are not a substitute for medical care. Evidence for an individual ingredient does not automatically establish that a multi-ingredient finished product produces the same effect.