Subreddits similar to r/caffeine

region: unclustered

The most popular chemical. Of, like, all the chemicals. And there are a lot of chemicals.

1,575 distinct commenters in 2025 · 39,456 subscribers

Similarity is measured by shared commenters, not by text: these are the communities whose 2025 commenters overlapped most with r/caffeine's.

• r/psychedelics
  r/psychedelics is a subreddit for people who are interested in exploring the effects and potential benefits of psychedelics. Whether you…
• r/drugs
  We do NOT promote drug use; - Accept, for better and or worse, that licit & illicit drug use is part of our world and choose to work to…
• r/dph
  This is a subreddit about DPH. It's mainly about the recreational use of DPH, but posts about using DPH as it was intended are welcome,…
• r/nitrousoxide
  A subreddit dedicated to all things related to Nitrous Oxide N₂O
• r/dxm
  Welcome to r/DXM - a community for discussion about responsible use of the powerful dissociative cough suppressant - Dextromethorphan! …
• r/obscuredrugs
  A place where you can discuss obscure drugs! This includes prescription medications, street drugs or anything else with recreational…
• r/nootropics
  Research and discussion on nootropics and cognitive enhancers.

18+. From the Subreddit Atlas, a map of NSFW Reddit communities built from archived metadata: author names, subreddit names, and counts only, no post content. Methodology & removal requests · all subreddits