r/Biohackers

Updated 2026-10-24

r/Biohackers is a Fitness & Health community on Reddit with 866,770 members, ranking #21 of 1,098 in Fitness & Health. Welcome to r/Biohackers. This community is designed for individuals interested in DIY biology, sometimes referred to as biohacking. It focuses on DIY biology, Pharmacology, and Grinding techniques. Members can collaborate, share knowledge, and explore topics such as genetic engineering, experimental pharmacology, life extension, longevity, supplements, nootropics, sleep, fitness, and transhumanism

866,770 membersFitness & Health#21 in category
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How big is r/Biohackers?

Created in 2012, r/Biohackers has had over a decade to grow and is a large community by Reddit standards. Within Fitness & Health it ranks #21 of 1,098 communities we track — the top 1.9% of the category by subscriber count. That puts it about 1,507× the median Fitness & Health subreddit, which has 575 members. It is a work-safe community with no 18+ flag on Reddit.

For scale, the largest Fitness & Health community we track is r/Fitness with 12,552,533 members — roughly 14 times the size of r/Biohackers. Reddit itself launched in 2005, so a subreddit created in 2012 sits in the middle wave of community building on the platform. Subscriber counts indicate reach, not activity — a large community can be quiet, and a smaller one busy. Open r/Biohackers on Reddit to see how often people actually post before deciding whether it is worth joining.

Members866,770
CategoryFitness & Health
Rank in category#21 of 1,098
Created2012
Category median size575 members
Content ratingWork-safe (SFW)

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Subscriber counts come from the public Reddit API and are refreshed when this directory is rebuilt. Redditory is not affiliated with Reddit Inc.

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