r/HumanMicrobiome is a subreddit with 46k members. The most common kinds of discussions are advice requests and pain & anger, and 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 Themes in r/HumanMicrobiome
#1
Advice Requests
: "Glutamine powder fixed my IBS symptoms"
39 posts
#2
Pain & Anger
: "I f**d myself up with Sodium Butyrate. Need a plan to get out of this mess"
15 posts
#3
Solution Requests
: "Severe constipation for an entire month, no change in diet, magnesium and « usual » probiotics dont work like they used to all my Life - i eat prunes and fiber. PLEASE PLEASE HELP with suggestions"
9 posts
#4
News
: "Blue Light: Helpful by Day, Overrated as a Nighttime Disruptor"
6 posts
#5
Ideas
: "Try Symbiose, it is a kind of “self-care Tamagotchi” where you look after a tiny bacterium (your overall bug) that reacts and grow to your habits: food, sleep, stress, hydration, even stool type."
1 post
Popular Topics in r/HumanMicrobiome
#1
Microbiome
: "Types of fiber and the Microbiome - A common misconception"
90 posts
#2
Gut
: "GABA: The Key to Better Sleep, Less Stress, and Gut Health"
55 posts
#3
Antibiotics
: "Positive Update on my GI System after taking Antibiotics 10 months Ago"
28 posts
#4
Probiotics
: "Probiotics for mood"
28 posts
#5
Gut Health
: "Bananas, Oats, and Onions: The Gut Health Favorites Hiding in Your Kitchen"
25 posts
#6
Probiotic
: "50-100billion Probiotic"
17 posts
#7
Fmt
: "Fmt via dog"
14 posts
#8
Health
: "Gut Microbiota and Metabolism: The Role of Diet in Health"
13 posts
#9
Sibo
: "Digestive enzymes: can I take them without knowing the exact condition (IBS, Sibo, Candida or leaky gut)?"
12 posts
#10
Ibs
: "Glutamine powder fixed my Ibs symptoms"
8 posts
Member Growth in r/HumanMicrobiome
Yearly
+4k members(10.2%)
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About
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This page gives a focused view of r/HumanMicrobiome, including current member size, discussion patterns, product reviews, and related communities to explore.
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Last updated: July 24, 2026