14 Best Longevity Subreddits (Updated May 2026)

14 Longevity communities on Reddit

Updated 5/19/2026

All

#1
r/Peptidesource
on reddit
THE ONLY OFFICIAL LONG-STANDING PEPTIDE RESEARCH SUBREDDIT. This is a community for discussing peptide research and to exchange peptide related discussion that is within Reddit's and this subreddit's rules. Join our free website forum at https://peptidesource.net/forum/index.php as well where we post lab tests, and where a more open discussion can occur!
94K members
Forum
49 views / month
#2
r/longevity
on reddit
The geroscience hypothesis proposes it is possible to delay or prevent the onset of age-related ill health and increase healthy lifespan by targeting the biological mechanisms of aging. The main focus of this forum is biomedical research on aging biology and related news.
209K members
Forum
11 views / month
#3
r/Supplements
on reddit
A subreddit designed for discussion of supplements and nutraceuticals; for health, performance, or any intended (or not intended) purpose. Not a place for discussion of illicit and illegal compounds.
574K members
Forum
6 views / month
#4
r/intermittentfasting
on reddit
Intermittent Fasting (IF) is way of eating that restricts *when* you eat, usually on a daily or weekly schedule. People engage in IF to reap the many benefits to health, fitness, and mental clarity. This is a place to share success, support each other, ask questions, and learn. IF is an 18+ community because the practice is not medically recommended to/for children.
1.0M members
Forum
7 views / month
#5
r/PeptideForum
on reddit
Welcome to PeptideForum! We're here to discuss all things peptides. We are a community working together to educate ourselves, share experiences, and get our questions answered.
51K members
Forum
17 views / month
#6
r/AntiAging
on reddit
Reddit community focused on anti-aging science, skincare, supplements, and lifestyle interventions to slow biological aging and extend healthspan.
7K members
Forum
8 views / month
#7
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
#8
r/Sauna
on reddit
Welcome to r/Sauna! This is a subreddit for all things Sauna - Pictures of You and your Sauna - Sharing your building progress and questions - Whatever else you can think of Sauna related - Saunas are used around the world and we want to hear from you! You can also find us on our own Lemmy instance over at https://r-sauna.fi - posts made there will be automatically re-posted here, so please don't double post.
123K members
Forum
4 views / month
#9
r/coldshowers
on reddit
Reddit community dedicated to cold exposure therapy including cold showers, ice baths, and cryotherapy for health, longevity, and mental resilience.
43K members
Forum
3 views / month
#10
r/carnivore
on reddit
Welcome to r/carnivore. This community is different than typical diet communities, it's not a grab bag of hacks for undereating It's all about restoring health and that means the first order of business is improving health markers and starting to increase muscle and bone density -- yes, that means you can and should eat heartily to appetite. If you're ready to get started eating fatty meat without carbs, check out -- https://www.reddit.com/r/carnivore/wiki/faq/#wiki_getting_started
95K members
Forum
4 views / month
r/biohacking
on reddit
Welcome to r/biohacking by Josh Universe, a community dedicated to exploring the exciting world of biohacking and pushing the boundaries of human potential through scientific advancements and self-optimization. Whether you're interested in enhancing cognitive function, improving physical performance through peptide research, extending your lifespan, or delving into cutting-edge technologies like CRISPR, this is the place to share knowledge, experiences, and ideas.
69K members
Forum
4 views / month
r/HubermanLab
on reddit
A community for fans of Dr. Andrew Huberman and the Huberman Lab podcast. We discuss neuroscience, health, and practical tools for improving sleep, focus, stress, fitness, and overall wellbeing. Whether you're deep into the research or just discovering the podcast, you're welcome here. Ask questions, share what’s working for you, and explore how Huberman Lab protocols apply in real life. Be kind. We’re all here to learn and improve together. Questions for the mod team? Please reach out.
245K members
Forum
3 views / month
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
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 Longevity communities

Longevity
61 communities for Longevity Enthusiasts
520 / mo
Longevity, 61 communities, 520 views per month including community pages

FAQ

: Communities for people interested in extending healthspan and lifespan through science-backed interventions. You will find research-focused forums, protocol-follower communities on Skool, and spaces around metabolic health monitoring and the latest biotech developments in the longevity field.
: Hive Index lists 14 Longevity subreddits on Reddit. Most listings with size data are huge (50%) or massive (36%). We only have a handful of listings so far, so treat these numbers as directional. The main Longevity topic page covers every platform we track for this topic.
: Forum is the most common feature (100% of listings).
: All 14 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/Peptidesource, r/longevity, r/Supplements, and r/intermittentfasting 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.