Your healthy-aging goal
What has actually been shown to help people live longer?
Lifespan extension in humans is the hardest outcome to prove. Most claims rest on animal studies; we show only what human research supports.
Follow the signal, understand the certainty
Some ideas are promising, some are early, and some have disappointed. We show Evidence, Results and Safety separately so you can see both the possibility and the uncertainty — see how we weigh evidence.
Studied without a demonstrated benefit
Human studies have looked at this outcome but the interpreted results shown here have not demonstrated a benefit.
Listed alphabetically — not ranked
Still being studied
The human evidence is too sparse or unresolved to judge this outcome yet.
Listed alphabetically — not ranked