Butyrate is a short-chain fatty acid naturally produced when beneficial gut bacteria ferment dietary fiber in the colon, and it serves as the primary energy source for the cells lining the large intestine. Research suggests that butyrate plays a central role in maintaining gut barrier integrity, modulating immune responses, and reducing intestinal inflammation, with studies indicating potential benefits extending to brain health through the gut-brain axis. Emerging evidence also points to its role in regulating cell growth, which has drawn interest in cancer risk reduction research, particularly for colorectal health. Because the body's own butyrate production depends on adequate fiber intake and a healthy microbiome, supplemental forms such as sodium butyrate, calcium/magnesium butyrate, and tributyrin have gained attention as a way to support these processes more directly.
Compare this supplementResearch suggests that butyrate, a short-chain fatty acid produced by gut bacteria during fiber fermentation, exerts ...
View studies →Research suggests that butyrate, a short-chain fatty acid naturally produced when gut bacteria ferment dietary fiber,...
View studies →Research suggests that butyrate, a short-chain fatty acid produced when gut bacteria ferment dietary fiber, plays a m...
View studies →Research suggests that butyrate and related short-chain fatty acids produced by gut bacteria may play a role in colon...
View studies →Research suggests that butyrate plays a meaningful role in supporting immune function, primarily through its ability ...
View studies →These are commonly referenced dosage ranges for this supplement. They are not medical recommendations. Always consult a healthcare provider before supplementing.
| Form | Dose range | Frequency | Studied for | Source |
|---|---|---|---|---|
| Capsule | 1,000–2,000 mg | Daily | anti-inflammatory, immune function, gut microbiome support | Used in RCTs examining systemic inflammation and immune modulation |
| Capsule | 4,000 mg | Daily | cancer risk reduction, colorectal cancer prevention | Higher doses studied in trials targeting colorectal cancer risk and epithelial cell apoptosis |
| Capsule | 300–600 mg | Three times daily | gut health, irritable bowel syndrome, intestinal permeability | Common in clinical trials using sodium or calcium/magnesium butyrate for GI conditions |
| Powder | 2–4 g | Daily | gut health, ulcerative colitis, Crohn's disease | Sodium butyrate powder doses used in inflammatory bowel disease clinical trials |
| Tablet | 150–300 mg | Twice daily | brain health, neuroinflammation, gut-brain axis support | Doses used in preclinical and early human studies on cognitive and neurological outcomes |