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MedicationRapamycin
Rapamycin (sirolimus) is a drug that inhibits the protein mTOR, a central switch for growth and aging. In animals it extends lifespan, making it one of the most discussed longevity agents.
Rapamycin at a glance
In animalsExtends lifespanModerate
In humansNot yet provenPreliminary
MechanismInhibits mTOR
UseOff-label, only under supervision
60 studies11 answersupdated aug 2026
Evidence per claim
Not yet proven for healthy longevity in humans
View evidence →Works via mTOR, a key route in aging
View evidence →Stimulates autophagy
View evidence →As uncertain as other candidates such as spermidine
View evidence →Practical use
For whom
Mainly of interest for research and people following it experimentally through a doctor.
Not for whom
Not meant for self-experiment; there are real side effects and risks.
Usual dose
No proven anti-aging dose in humans; only under medical supervision.
Key caveats
Suppresses the immune system at higher doses; long-term safety in healthy people is unknown.
What we know, and don't
Known
Extends lifespan in several animal species
Inhibits mTOR, a central aging route
Is being seriously studied in humans
Not yet
Whether it extends life in healthy people
The safe dose and frequency
The long-term effects
Common misconceptions
"Rapamycin is a proven anti-aging pill."
Not shown. In humans that is not yet shown.Strong evidence
"It is harmless to try yourself."
False. There are real side effects; only under supervision.Strong evidence
How Rapamycin connects
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