Subreddits like r/mdma

region: unclustered

A harm reduction community centered around the responsible use of MDMA, otherwise known as molly, mandy, ecstasy, etc. NO…

9,742 distinct commenters from Oct 2025 to Sep 2026 · 295,926 subscribers

Similarity is measured by shared commenters, not by text: these are the communities whose commenters overlapped most with r/mdma's from Oct 2025 to Sep 2026.

• r/ketamine
  A subreddit for discussing the recreational use of ketamine with a focus on harm reduction. Please read the rules in the sidebar before…
• r/stackadvice
• r/askdrugs
  Ask questions about drugs.
• 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/afinil
  Modafinil (Provigil, Modalert) and related compounds. Experiences, questions, no source / vendor discussion.
• r/mysterymagicmushrooms
  This subreddit is deticated to posting, discussing, reviewing, and researching the contents and effects of “mushroom”products sold at head…
• r/nitrousoxide
  A subreddit dedicated to all things related to Nitrous Oxide N₂O
• r/sublocade
  Sublocade is a medication assisted treatment for opioid use disorder. This community is to discuss Sublocade (or other buprenorphine…

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