1. 
   Microbe Bacillota

   Anaerobutyricum hallii FunctionCan make butyrate · its 1 strain
   61% of healthy people
2. 
   Microbe Bacillota

   Intestinimonas butyriciproducens FunctionCan make butyrate · all 3 strains
   30% of healthy people
3. 
   Microbe Bacillota

   Roseburia inulinivorans FunctionCan make butyrate · all 4 strains
   70% of healthy people
4. 
   Microbe Bacillota

   Clostridium paraputrificum FunctionCan make butyrate · all 2 strains
   3.6% of healthy people
5. 
   Microbe Bacillota

   Anaerobutyricum soehngenii FunctionCan make butyrate · its 1 strain
   42% of healthy people
6. 
   Microbe Bacillota

   Coprococcus comes FunctionCan make butyrate · all 7 strains
   63% of healthy people
7. 
   Microbe Fusobacteriota

   Fusobacterium nucleatum FunctionCan make butyrate · all 18 strains
   2.0% of healthy people
8. 
   Microbe Bacteroidota

   Odoribacter splanchnicus FunctionCan make butyrate · all 4 strains
   66% of healthy people
9. 
   Microbe Bacillota

   Clostridium sporogenes FunctionCan make butyrate · all 2 strains
   under 1% of healthy people
10. 
    Microbe Bacillota

    Roseburia hominis FunctionCan make butyrate · all 2 strains
    64% of healthy people
11. 
    Microbe Bacillota

    Clostridium cadaveris FunctionCan make butyrate · its 1 strain
    under 1% of healthy people
12. 
    Microbe Bacillota

    Megasphaera elsdenii FunctionCan make butyrate · its 1 strain
    2.7% of healthy people
13. 
    Microbe Bacillota

    [Eubacterium] siraeum FunctionCan make butyrate · all 3 strains
    37% of healthy people
14. 
    Microbe Bacillota

    Anaerostipes hadrus FunctionCan make butyrate · all 9 strains
    78% of healthy people
15. 
    Microbe Bacillota

    Clostridium perfringens FunctionCan make butyrate · all 11 strains
    5.9% of healthy people
16. 
    Microbe Bacillota

    Clostridium baratii FunctionCan make butyrate · all 3 strains
    under 1% of healthy people
17. 
    Microbe Pseudomonadota

    Alcaligenes faecalis FunctionCan make butyrate · all 4 strains
    under 1% of healthy people
18. 
    Microbe Bacillota

    Anaerococcus hydrogenalis FunctionCan make butyrate · all 2 strains
    under 1% of healthy people
19. 
    Microbe Bacillota

    Faecalibacterium prausnitzii FunctionCan make butyrate · all 9 strains
    90% of healthy people
20. Research Environmental microbiology · 2020

    Initial butyrate producers during infant gut microbiota development are endospore formers.

    Faecalibacterium prausnitzii

    KeywordKeyword: Butyrates
    PubMed ↗
21. Research Microbiology and immunology · 2025

    Coculture of Bifidobacterium bifidum G9-1 With Butyrate-Producing Bacteria Promotes Butyrate Production.

    Bifidobacterium bifidumFaecalibacterium prausnitziiRoseburia hominis

    KeywordKeyword: Butyrates
    PubMed ↗
22. Research Metabolic engineering · 2021

    Engineering Bacteroides thetaiotaomicron to produce non-native butyrate based on a genome-scale metabolic model-guided design.

    Bacteroides thetaiotaomicron

    KeywordKeyword: Butyrates
    PubMed ↗
23. Research Archives of microbiology · 2024 Review

    Butyrate's (a short-chain fatty acid) microbial synthesis, absorption, and preventive roles against colorectal and lung cancer.

    Faecalibacterium prausnitziiAgathobacter rectalis

    KeywordKeyword: Butyrates
    PubMed ↗
24. 
    Microbe Bacillota

    Clostridium butyricum FunctionCan make butyrate · all 5 strains
    1.1% of healthy people
25. Research Biotechnology journal · 2023

    Multiomics analysis reveals the biological effects of live Roseburia intestinalis as a high-butyrate-producing bacterium in human intestinal epithelial cells.

    Roseburia intestinalisFaecalibacterium prausnitziiAgathobacter rectalis

    KeywordKeyword: Butyrates
    PubMed ↗
26. 
    Microbe Bacillota

    Eubacterium ramulus FunctionCan make butyrate · all 2 strains
    51% of healthy people
27. 
    Microbe Spirochaetota

    Treponema denticola FunctionCan make butyrate · all 6 strains
28. 
    Microbe Bacillota

    Clostridium tertium FunctionCan make butyrate · its 1 strain
    1.3% of healthy people
29. Research Journal of clinical laboratory analysis · 2020 Observational

    The association between gut butyrate-producing bacteria and non-small-cell lung cancer.

    Faecalibacterium prausnitziiAgathobacter rectalis[Clostridium] leptum

    KeywordKeyword: Butyrates
    PubMed ↗
30. Research Current obesity reports · 2026 Systematic review

    The Role of Butyrate in People with Metabolic Dysfunction-Associated Steatotic Liver Disease and Related Metabolic Comorbidities: A Systematic Review.

    Faecalibacterium prausnitzii

    KeywordKeyword: Butyrates
    PubMed ↗
31. 
    Microbe Bacteroidota

    Porphyromonas gingivalis FunctionCan make butyrate · all 4 strains
    under 1% of healthy people
32. 
    Microbe Bacillota

    Anaeroglobus geminatus FunctionCan make butyrate · its 1 strain
    under 1% of healthy people
33. Research The European respiratory journal · 2025

    Butyrate-producing gut bacterium Faecalibacterium prausnitzii protects against bacterial pneumonia.

    Faecalibacterium prausnitziiAnaerobutyricum soehngeniiKlebsiella pneumoniae

    KeywordKeyword: Butyrates
    PubMed ↗
34. 
    Microbe Bacillota

    [Clostridium] symbiosum FunctionCan make butyrate · all 3 strains
    24% of healthy people
35. Research FEMS microbiology ecology · 2016

    Prebiotic potential of L-sorbose and xylitol in promoting the growth and metabolic activity of specific butyrate-producing bacteria in human fecal culture.

    Anaerostipes hadrus

    KeywordKeyword: Butyrates
    PubMed ↗
36. 
    Microbe Spirochaetota

    Treponema vincentii FunctionCan make butyrate · all 2 strains
37. 
    Microbe Fusobacteriota

    Fusobacterium varium FunctionCan make butyrate · its 1 strain
    1.2% of healthy people
38. Research Frontiers in microbiology · 2021

    In vitro Fermentation Reveals Changes in Butyrate Production Dependent on Resistant Starch Source and Microbiome Composition.

    Ruminococcus bromii

    MeaningAbout butyrate producers
    PubMed ↗
39. 
    Microbe Bacillota

    Anaerostipes caccae FunctionCan make butyrate · all 5 strains
    12% of healthy people
40. 
    Microbe Bacillota

    Roseburia faecis FunctionCan make butyrate · all 4 strains
    68% of healthy people

Research: PubMed, U.S. National Library of Medicine · citations link to PubMed