6 Best Biohacking Subreddits (Updated May 2026)

6 Biohacking communities on Reddit

Updated 5/19/2026

All

#1
r/coldplunge
on reddit
community for people willing to take the cold plunge to improve their lives and physical and mental well being
29K members
Forum
6 views / month
#2
r/whoop
on reddit
Welcome to r/whoop – The Unofficial Community for WHOOP Users and Enthusiasts! For discussing everything related to the WHOOP wearable fitness tracker. Whether you're a seasoned WHOOP user or just considering joining the platform, this community is here to help you understand, optimize, and share your experience with WHOOP’s health and performance data.
146K members
Forum
8 views / month
#3
r/sleep
on reddit
Good sleep is essential for our health and happiness. Find and strengthen your best habits and help others improve theirs.
695K members
Forum
10 views / month
#4
r/transhumanism
on reddit
Welcome to the Transhumanism Subreddit, hosted by the International Biohacking Community. This forum is dedicated to the examination of advanced technologies and their implications for human evolution, encompassing fields such as artificial intelligence, biotechnology, and cybernetics. We promote rigorous, evidence-based discussions regarding the role of technology in enhancing and transforming human capabilities. This space is not intended for conspiracies or negative behavior.
103K members
Forum
8 views / month
#5
r/slatestarcodex
on reddit
Slate Star Codex was the former name for a blog by Scott Alexander about human cognition, politics, and medicine. In 2021, the name was changed to Astral Codex Ten: https://astralcodexten.substack.com/
81K members
Forum
4 views / month
#6
r/blueprint_
on reddit
This community is for those implementing the Blueprint protocol and striving for perfect adherence. Find & share tips and tricks on food prep, systems, discipline.
41K members
Forum
3 views / month

All Biohacking communities

Biohacking
28 communities for Biohackers
305 / mo
Biohacking, 28 communities, 305 views per month including community pages

FAQ

: Communities for people experimenting with their biology to optimize performance, health, and longevity. Covers wearables, sleep, nutrition, nootropics, red light therapy, cold exposure, continuous glucose monitoring, and self-tracking.
: Hive Index lists 6 Biohacking subreddits on Reddit. Most listings with size data are huge (50%) or massive (50%). We only have a handful of listings so far, so treat these numbers as directional. The main Biohacking topic page covers every platform we track for this topic.
: Forum is the most common feature (100% of listings).
: All 6 listings on this page are free to join (no paid membership or application gate listed). Access rules can still change on the community side.
: On Hive Index, the default Popular sort surfaces r/coldplunge, r/whoop, r/sleep, and r/transhumanism first. Popularity reflects visitor interest in communities on the site, not a universal quality score. Use the sort menu for Ratings, Largest, or Newest.
: Listings are submitted by community builders and researchers, reviewed for topic relevance, and updated with platform, feature, member, review, and traffic data where available. Member counts are approximate. Popular reflects visitor interest in communities on the site, with richer profiles breaking ties. Ratings, Largest, and Newest use review scores, reported member counts, and listing age instead.
: This page was last updated 5/19/2026, based on the most recent change to the topic or its listings. We refresh entries when communities are submitted, claimed, or reviewed, and we update member counts, features, and traffic data on an ongoing basis.