Sodium Butyrate
Other ·Exploratory record · not publication-reviewed ·Updated July 13, 2026
Sodium butyrate is the sodium salt of butyric acid, a four-carbon short-chain fatty acid (SCFA) normally produced when gut bacteria ferment dietary fiber in the colon. It is the principal energy source for colonocytes and acts as a histone deacetylase (HDAC) inhibitor, giving it roles in gut-barrier maintenance, immune signaling, and epigenetic regulation. It is supplemented to support intestinal health when endogenous SCFA production is low, often in enteric-coated or tributyrin forms to deliver butyrate beyond the upper gut.
Exploratory record, not a reviewed medical publication.
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This generated database record has not completed a claim-level review by a qualified human medical reviewer. Bibliography links and evidence labels are not approval. The page remains available for reference and is excluded from search indexing.
What the research says.
A quick, data-only summary. The full evidence, dosing, and sources are below.
Sodium Butyrate is an other most often used for supports intestinal barrier integrity and tight-junction function, provides primary fuel for colonocytes, modulates gut and mucosal immune responses. NutriStack rates the overall evidence as emerging. A typical adult dose is 300-1,200 mg/day of sodium/calcium-magnesium butyrate (often as enteric-coated or microencapsulated capsules); tributyrin forms dosed similarly. Clinical IBD studies have used higher amounts, sometimes via enema., commonly taken as enteric-coated or microencapsulated sodium (or calcium/magnesium) butyrate, or tributyrin, to bypass the stomach and reduce odor while improving lower-gut delivery. This profile indexes 9 sources.
- Strong rancid/cheesy odor and unpleasant taste with non-coated forms
- Mild GI upset, nausea, or bloating
- Loose stools or abdominal discomfort at higher doses
- Sodium-restricted diets should consider the sodium load (calcium/magnesium butyrate are alternatives)
- Caution in pregnancy and breastfeeding due to limited safety data
The bottom line
Evidence rating emerging. Most-documented uses: supports intestinal barrier integrity and tight-junction function, provides primary fuel for colonocytes, modulates gut and mucosal immune responses. 9 sources indexed (1992–2016), with 0 interaction records on file.
How it works, mechanistically.
Core mechanism
Butyrate serves as the preferred metabolic fuel for colonic epithelial cells, where it is oxidized via beta-oxidation in mitochondria to generate ATP, supporting epithelial turnover and tight-junction integrity. Independent of its caloric role, butyrate inhibits class I and IIa histone deacetylases, increasing histone acetylation and thereby altering gene expression in ways that can promote anti-inflammatory and pro-differentiation programs. It also signals through G-protein-coupled receptors (notably GPR43/FFAR2 and GPR109A/HCAR2) on epithelial and immune cells, promoting regulatory T-cell differentiation and dampening NF-kB-driven inflammatory cytokine release. Through these combined fuel, epigenetic, and receptor-mediated actions, butyrate strengthens the mucosal barrier, modulates mucosal immunity, and influences host metabolism.6,3
Dosing & protocol.
Free butyrate is rapidly absorbed in the upper GI tract and has a strong, unpleasant odor; enteric-coated, microencapsulated, or tributyrin forms are used to deliver more butyrate to the colon. Taking with meals can improve tolerability and reduce GI upset.1
What it actually costs.
Real-world pricing across three quality tiers. Assumes Enteric-coated / sustained-release capsule.
Prices reflect a typical effective daily intake of roughly 600-1200 mg butyrate. Uncoated bulk sodium butyrate is cheapest; enteric-coated capsules sit in the mid range; tributyrin and premium enteric/postbiotic blends drive the higher tier. Costs vary with butyrate content per capsule, coating technology, and brand. Updated 2026-06-04.
Full safety detail.
Side effects
- Strong rancid/cheesy odor and unpleasant taste with non-coated forms
- Mild GI upset, nausea, or bloating
- Loose stools or abdominal discomfort at higher doses
- Belching or reflux
Contraindications
- Sodium-restricted diets should consider the sodium load (calcium/magnesium butyrate are alternatives)
- Caution in pregnancy and breastfeeding due to limited safety data
- Active GI conditions should be managed under clinician guidance1,7
- Limited data on interactions; consult a clinician if on multiple medications
Sources, by evidence tier.
Numbered references. Citations throughout the page link here.
Randomized controlled trials
2- 1Treatment of distal ulcerative colitis with short-chain fatty acid enemas: a placebo-controlled trialScheppach W et al. · Digestive Diseases and Sciences · 1996
Short-chain fatty acid (including butyrate) enemas improved clinical and inflammatory parameters in some patients with distal ulcerative colitis, though responses were variable.
- 2Butyrate enemas in the treatment of diversion colitis and ulcerative colitis: a controlled trial perspectiveSource linkedPMIDScheppach W, Sommer H, Kirchner T, Paganelli GM, Bartram P, Christl S, Richter F, Dusel G, Kasper H · Gastroenterology · 1992
Reviews & position papers
4- 3From dietary fiber to host physiology: short-chain fatty acids as key bacterial metabolitesKoh A et al. · Cell · 2016
Butyrate and other SCFAs act through GPCR signaling and HDAC inhibition to influence energy metabolism, immune function, and epithelial health in the host.
- 4The role of short-chain fatty acids in the interplay between gut microbiota and the hostSource linkedPMIDden Besten G, van Eunen K, Groen AK, Venema K, Reijngoud DJ, Bakker BM · Journal of Lipid Research · 2013
- 5From the gut to the peripheral tissues: the multiple effects of butyrateSource linkedPMIDCanani RB, Costanzo MD, Leone L, Pedata M, Meli R, Calignano A · Nutrition Research Reviews · 2011
- 6Review article: the role of butyrate on colonic functionHamer HM et al. · Alimentary Pharmacology & Therapeutics · 2008
Butyrate is the preferred metabolic fuel for colonocytes and contributes to mucosal integrity, barrier function, and anti-inflammatory effects in the colon.
Observational studies
1- 7Oral butyrate for mildly to moderately active Crohn's diseaseSource linkedPMIDDi Sabatino A, Morera R, Ciccocioppo R, Cazzola P, Gotti S, Tinozzi FP, Tinozzi S, Corazza GR · Alimentary Pharmacology & Therapeutics · 2005
Reference material
2- 8The microbial metabolites, short-chain fatty acids, regulate colonic Treg cell homeostasisSmith PM et al. · Science · 2013
Short-chain fatty acids including butyrate promote regulatory T-cell expansion in the colon, in part through HDAC inhibition, supporting mucosal immune homeostasis.
- 9Butyrate enhances the intestinal barrier by facilitating tight junction assembly via activation of AMP-activated protein kinase in Caco-2 cell monolayersPeng L et al. · Journal of Nutrition · 2009
Butyrate promoted tight-junction assembly and reduced epithelial permeability in an intestinal cell model, partly through AMPK activation.
Common questions.
Quick answers about Sodium Butyrate, drawn from the data on this page.
What is Sodium Butyrate?
Sodium butyrate is the sodium salt of butyric acid, a four-carbon short-chain fatty acid (SCFA) normally produced when gut bacteria ferment dietary fiber in the colon. It is the principal energy source for colonocytes and acts as a histone deacetylase (HDAC) inhibitor, giving it roles in gut-barrier maintenance, immune signaling, and epigenetic regulation. It is supplemented to support intestinal health when endogenous SCFA production is low, often in enteric-coated or tributyrin forms to deliver butyrate beyond the upper gut.
What is Sodium Butyrate used for?
Commonly cited benefits of Sodium Butyrate include: Supports intestinal barrier integrity and tight-junction function; Provides primary fuel for colonocytes; Modulates gut and mucosal immune responses; May reduce gut inflammation; Supports a balanced gut microbiome environment. NutriStack rates the overall evidence as emerging.
What is a typical dose of Sodium Butyrate?
A typical adult dose of Sodium Butyrate is 300-1,200 mg/day of sodium/calcium-magnesium butyrate (often as enteric-coated or microencapsulated capsules); tributyrin forms dosed similarly. Clinical IBD studies have used higher amounts, sometimes via enema.. The commonly recommended form is Enteric-coated or microencapsulated sodium (or calcium/magnesium) butyrate, or tributyrin, to bypass the stomach and reduce odor while improving lower-gut delivery. These are general ranges, not personalized advice; confirm the right dose with a clinician.
What are the side effects of Sodium Butyrate?
Reported side effects include strong rancid/cheesy odor and unpleasant taste with non-coated forms, mild gi upset, nausea, or bloating, loose stools or abdominal discomfort at higher doses, belching or reflux. This is educational information; check with a healthcare professional before use.
How strong is the evidence for Sodium Butyrate?
NutriStack rates this as Emerging, meaning early RCT signal, mechanistic data, or limited human evidence. Full tier criteria are at https://nutristackapp.com/methodology/evidence-tiers.
Use this with your stack
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