7 Peptides communities on Reddit
Updated 5/18/2026
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!96K members
Forum53 views / month

r/Biohackers
on reddit
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. This space encourages scientific inquiry and experimentation in accessible, hands-on ways.858K members
Forum21 views / month

r/GLP1
on reddit
A subreddit for all glp-1 agonists: Wegovy, Ozempic, Mounjaro, Zepbound, Trulicity, Bydureon, Byetta, Victoza, Saxenda, Adlyxin, Rybelsus, etc.36K members
Forum12 views / month

r/tirzepatidecompound
on reddit
Welcome to Reddit’s largest Tirzepatide Community! 💉 This is a forum to share personal experiences with Rx Tirzepatide, for on and off label purposes. Other Glps may be discussed along with the world Rx'd peptides. 🔹 NO medical advice here. Consult your doctor or healthcare provider for all related medical decisions. 🔹 Businesses / third parties may not post or promote without prior mod approval and identifying flair. If you do not see flair: CAUTION it could be a scam.176K members
Forum11 views / month

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
Forum14 views / month

r/Semaglutide
on reddit
Discussion of FDA-approved semaglutide (Wegovy/Ozempic/Rybelsus). No discussion of compounded formulations.198K members
Forum14 views / month

r/Mounjaro
on reddit
Questions, experiences and accomplishments related to Mounjaro and Zepbound prescription medications.196K members
Forum13 views / month
FAQ
Aggregate Stats
Community size
- Tiny: 0 communities (<20 members)
- Small: 0 communities (20-100 members)
- Medium: 0 communities (100-1,000 members)
- Large: 0 communities (1,000-10,000 members)
- Huge: 3 communities (10,000-100,000 members)
- Massive: 4 communities (100,000-1M members)
- Gigantic: 0 communities (1M+ members)




