Community/Rapamycin

Rapamycin

mTOR Inhibitor / Longevity

Also known as: Sirolimus, Rapamune

An FDA-approved immunosuppressant being explored at low doses for longevity and anti-aging based on strong preclinical evidence.

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Aggregated data reflects community experience (24 total self-reports), not scientific consensus. This is not a clinical trial.

Total Reports
24
Avg Rating
3.4/5
Positive
0%
Avg Duration
5 weeks

Outcome Breakdown

Positive
0%
Mixed
0%
Negative
0%

Based on 24 community reports

Reported Side Effects

Nausea
35%
Injection site reaction
28%
Fatigue
22%
Headache
18%
Water retention
12%

Frequency among reporters who noted side effects

Common Forms

Oral tablet

What the Scientific Literature Says

FDA-approved as immunosuppressant. Robust lifespan extension in animal models across multiple species. The PEARL trial (low-dose in elderly) showed improved immune function. Several ongoing human longevity trials. mTOR inhibition has complex effects on metabolism, immunity, and cellular senescence.

Note: Community reports above reflect individual experiences and may differ significantly from controlled research findings. Anecdotal data is useful signal but should not be equated with clinical evidence.

External Discussions & Signal

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What the rest of the internet is saying about Rapamycin. Moderation-filtered, linked to the source — we don’t re-host content.

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r/Rapamycin
u/mtor_marathoner · 1mo ago · Long-term log
Well-documented

2 years on weekly rapa (6mg) — every lab I've run, every side effect

55M, physician-supervised. Full quarterly panels: hsCRP, fasting glucose, HbA1c, lipids, IGF-1, testosterone, CBC. One episode of transient hyperglycemia (m.12). Mouth ulcers in month 2, gone since. Subjective: no change. Objective: inflammation markers down.

Well-documented: Physician-supervised, comprehensive quarterly labs, 2-year duration.

r/
r/longevity
u/preemptive_parent · 3mo ago · Controversial
Flagged

Hidden by moderation

Proposed off-label pediatric use of an immunosuppressant. Safety concern.

Pulled via the Reddit API from subreddits matched to Rapamycin. Threads are ranked by a fact-check pass: well-documented → consistent with evidence → anecdotal. Unsupported-claim and sourcing posts are hidden by default. Click through to read on Reddit — we don’t re-host content.

Community Reports (2 displayed of 24)

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MT
mTORexplorer
2026-03-01
RapamycinOral tabletNeutral

6-month weekly rapamycin at 5mg for longevity. Minimal subjective effects as expected for a long-horizon intervention. CRP reduction and skin lesion regression are interesting signals. Elevated fasting glucose bears monitoring. Well-tracked biomarkers.

Dosage: 5mg
Duration: 6 months (ongoing)
Data quality
82%
Confidence: low
CO
CautiousOptimist
2026-02-10
RapamycinOral tabletNeutral

4-month biweekly rapamycin under physician supervision for longevity. No subjective effects (expected for this use case). Inflammatory marker improvement. Transient cholesterol elevation resolved. Well-monitored protocol.

Dosage: 6mg
Duration: 4 months
Data quality
80%
Confidence: low