r/HumanMicrobiome↗
Human Microbiome
This sub is a haven from the flood of misinformation that is widespread on Reddit and over much of the internet. We have an evidence-based focus on the complex ecosystem in our guts that regulates the entire body.
47k subscribers42 posts / mo in Sep 2026 (incl. ~10% by known bots)37 authors / mosince 2017
r/HumanMicrobiome has 47k members (+8.2% over the last 12 months). It gets about 42 posts a month from 37 people. Top topics: Gut Microbiome Health, Antibiotic Resistance and Yogurt Recipes & Making.
When to post on r/HumanMicrobiome
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How r/HumanMicrobiome has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/HumanMicrobiome
Top topics
Share of the subreddit's posts
- Gut Microbiome Health11%
- Antibiotic Resistance0.4%
- Yogurt Recipes & Making0.4%
- Fermented Foods<0.1%
- ShitFacts<0.1%
Brands people mention
Most-mentioned brands and sites, last 12 months
- Archive
Everything else about r/HumanMicrobiome
Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.
Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research