Subreddits like r/ketamine

region: dph · methadone · reduction

A subreddit for discussing the recreational use of ketamine with a focus on harm reduction. Please read the rules in the sidebar before…

5,537 distinct commenters from Oct 2025 to Sep 2026 · 140,927 subscribers

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

• r/nitrousoxide
  A subreddit dedicated to all things related to Nitrous Oxide N₂O
• r/suboxone
  For any and all discussion about the medication Suboxone (buprenorphine/naloxone). We hope to provide accurate, evidence-based information…
• r/methadone
  This a community for any and all questions about methadone and methadone treatment. Our primary purpose is to provide factual, thorough…
• 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/mysterymagicmushrooms
  This subreddit is deticated to posting, discussing, reviewing, and researching the contents and effects of “mushroom”products sold at head…
• r/askdrugs
  Ask questions about drugs.
• r/benzodiazepines
  https://discord.gg/bonzos Come chat with other benzo users on our discord!
• 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