r/Rapamycin is a subreddit with 5k members. The most common kinds of discussions are news and advice requests, and the community frequently discusses rapamycin, longevity, aging, cats, and topical.
Research and discussion about Rapamycin and analogs for longevity and health.
Popular Themes in r/Rapamycin
#1
News
: "Let's be clear: Bryan Johnson is not a credible voice in the longevity… | Matt Kaeberlein | 26 comments"
18 posts
#2
Advice Requests
: "Women in their 40s who are taking Rapa - how’s it going? "
16 posts
#3
Pain & Anger
: "Pregnant at 46"
5 posts
#4
Solution Requests
: "A combination of the geroprotectors trametinib and rapamycin is more effective than either drug alone"
1 post
#5
Ideas
: "An introduction to the study of RAPAMYCIN | 6 - R-Files w/ Matt Kaeberlein"
1 post
#6
Money Talk
: "How much are you all paying for a box of rapamycin?"
1 post
#7
Self-Promotion
: "Launch of the Longevity Interention Database (LID)"
1 post
Popular Topics in r/Rapamycin
#1
Rapamycin
: "Long-term Rapamycin treatment suppresses IL-17-producing gamma delta T cells and blunts neuroinflammation in aging (2026)"
320 posts
#2
Longevity
: "Let's be clear: Bryan Johnson is not a credible voice in the Longevity… | Matt Kaeberlein | 26 comments"
60 posts
#3
Aging
: "Long-term rapamycin treatment suppresses IL-17-producing gamma delta T cells and blunts neuroinflammation in Aging (2026)"
43 posts
#4
Cats
: "Rapamycin (Sirolimus) Drug Now Available for Cats with HCM!"
14 posts
#5
Topical
: "Has anyone used Topical Rapamycin?"
13 posts
#6
Side Effects
: "Newbie with Side Effects"
11 posts
#7
Sirolimus
: "Short-term Sirolimus Treatment Restores Hippocampus and Caudate Volumes and Global Cerebral Blood Flow in Asymptomatic APOE4"
8 posts
#8
Healthspan
: "Healthspan?"
7 posts
#9
Skin
: "Be wary of Skin cancers with rapamycin"
7 posts
#10
Cat
: "Rapamycin for my 17 year old Cat"
7 posts
Member Growth in r/Rapamycin
Yearly
+499 members(11.6%)
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Last updated: June 22, 2026