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← Conditions Heart, blood and vessels

High blood pressure

Compared within 1 study that had both: 50 people with high blood pressure and 93 healthy people. 119 microbes are less common in people with high blood pressure, and 73 more common.

A difference is an association: it doesn’t mean these microbes cause, prevent or treat high blood pressure.

Phylum

Searching opens both lists and shows only matching rows.

Less common in high blood pressure · 119

Strongest first, then the biggest gap · Each figure is 10 people Strongest first · Each figure is 10 people
  1. Faecalibacterium butyricigenerans in 1 study Healthy 83% high blood pressure 0%
  2. Segatella hominis in 1 study Healthy 93% high blood pressure 4.0%
  3. Slackia isoflavoniconvertens in 1 study Healthy 75% high blood pressure 0%
  4. Faecalibacterium wellingii in 1 study Healthy 86% high blood pressure 4.0%
  5. Catenibacterium mitsuokai in 1 study Healthy 66% high blood pressure 0%

More common in high blood pressure · 73

Strongest first, then the biggest gap · Each figure is 10 people Strongest first · Each figure is 10 people
  1. Enterocloster bolteae in 1 study Healthy 13% high blood pressure 88%
  2. Enterocloster aldenensis in 1 study Healthy 5.4% high blood pressure 66%
  3. Phocaeicola dorei in 1 study Healthy 13% high blood pressure 74%
  4. Klebsiella pneumoniae in 1 study Healthy 12% high blood pressure 72%
  5. Hungatella hathewayi in 1 study Healthy 15% high blood pressure 74%

Where these numbers come from

Studies
Only GMrepo projects that had people with the condition and healthy people, 10 or more of each. Numbers come from those studies, never from pooling.Sampled in China.
How common
The share of people whose sample has any of it, in the people with the condition and in the healthy people of those same studies. Tested within studies (Cochran–Mantel–Haenszel, corrected for testing many microbes); a difference counts when it is clear and meaningful (Cohen’s h of 0.2 or more).
Strength word
Counted by code from how many studies point the same way: Seen again and again (3 or more, none clearly the other way), Seen more than once (2, the majority), Seen once (1, listed last). Where studies disagree, a row isn’t listed.
Each study
Tap a row for every study’s own numbers, and for how much carriers have.
Analysis
Our analysis of GMrepo data. GMrepo on Data sources · Read the rules

Also compared · 144 microbes

Compared within studies that had both, but not listed above.

No meaningful difference · 144
PubMed · human studies and reviews first

Recent research

All research on it
  1. Systematic review International journal of molecular sciences · 2026
    Gut, Oral, and Fungal Microbiota in Hypertension: A Multi-Compartment Systematic Review.
    PubMed ↗
  2. Review Clinical and experimental hypertension · 2025
    Gut microbiota and hypertension: role of exercise training.
    PubMed ↗
  3. Observational American journal of physiology. Heart and circulatory physiology · 2025
    Altered tryptophan metabolism and gut immune crosstalk in hypertensive middle-aged women.
    PubMed ↗
  4. Observational mSystems · 2025
    Cross-cohort microbiome-wide study reveals consistent alterations in the gut bacteriome, but not the gut mycobiome, in patients with hypertension.
    PubMed ↗
  5. Randomized trial Microbiome · 2025
    Fecal microbiota transplantation for hypertension: an exploratory, multicenter, randomized, blinded, placebo-controlled trial.
    PubMed ↗

Source: PubMed, U.S. National Library of Medicine · 52 linked papers, last 10 years