r/HumanMicrobiome is a subreddit with 47k members. The community frequently discusses microbiome, gut, antibiotics, probiotics, and gut health.
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.
Popular Topics in r/HumanMicrobiome
#1
Microbiome
90 posts
#2
Gut
55 posts
#3
Antibiotics
28 posts
#4
Probiotics
28 posts
#5
Gut Health
25 posts
#6
Probiotic
17 posts
#7
Fmt
14 posts
#8
Health
13 posts
#9
Sibo
12 posts
#10
Ibs
8 posts
Member Growth in r/HumanMicrobiome
Yearly
+4k members(9.0%)
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About
GummySearch helps people research Reddit communities by organizing activity, growth, themes, and post-level signals into one place.
This page gives a focused view of r/HumanMicrobiome, including current member size, discussion patterns, product reviews, and related communities to explore.
This data is synced periodically so insights stay current and useful for ongoing research.
Last updated: September 20, 2026