Tributyrin (ProButyrate) — Hermetica Encyclopedia
Probiotic & Fiber · Fermented/Probiotic

Tributyrin (ProButyrate)

Provisional Strong Scoreprobiotic

Hermetica Superfood Encyclopedia

Evidence review status: unreviewed

Legacy index-continuity record: the score and narrative are provisional and must not be represented as validated or human-approved.

Review flags: AWAITING_SEMANTIC_VALIDATION

Provisional Summary

Tributyrin (ProButyrate) is a stable butyric acid derivative that releases butyrate in the colon to nourish colonocytes and support gut barrier function. It works by delivering butyrate directly to colonic epithelial cells, where it serves as the primary energy source and regulates inflammatory responses.

Screened PMID Records
1
Reported Benefits
Pending
Synergy Review
At a Glance
CategoryProbiotic & Fiber
GroupFermented/Probiotic
Public Score StatusProvisional Strong
Primary Keywordtributyrin benefits
Tributyrin (ProButyrate) — botanical
Tributyrin (ProButyrate) — botanical close-up

Reported Benefits (Provisional)

Supports gut health by releasing butyrate, which nourishes colon cells and enhances digestion. - Reduces inflammation by modulating gut microbiota, decreasing systemic inflammatory markers. - Enhances metabolic health by improving insulin sensitivity, reducing the risk of metabolic syndrome. - Boosts immune function by strengthening the intestinal barrier, preventing pathogen invasion. - Supports mental health by increasing butyrate levels, linked to improved mood and cognitive function. - Aids in weight management by promoting satiety hormones, helping to control appetite. - Improves cardiovascular health by lowering cholesterol levels and supporting heart function.

Origin & History

Tributyrin (ProButyrate) — origin
Natural habitat

Tributyrin is a triglyceride composed of three butyrate molecules attached to a glycerol backbone. It is naturally found in butter and is produced industrially for supplementation through esterification processes. ProButyrate is a specialized form designed for enhanced delivery of butyrate to the gut.

Tributyrin is a triglyceride form of butyrate and has been explored for its potential to improve gut health in modern nutritional science.Traditional Medicine

Research Narrative (Provisional)

Tributyrin has been the subject of research for its potential to deliver butyrate more effectively to the colon, with studies indicating benefits for gut health and inflammation reduction.

Preparation & Dosage

Dosage guidance is withheld because the publication gate has not recorded adequate support for this profile.

Nutritional Profile

Tributyrin (ProButyrate) is a triglyceride ester composed of three butyrate molecules bound to a glycerol backbone. Macronutrient profile: primarily fat-based (~9 kcal/g), with no significant protein or carbohydrate content. Bioactive compounds: Butyrate (~68-70% by molecular weight), released as free butyric acid (C4:0) upon enzymatic hydrolysis by pancreatic lipases and intestinal esterases; glycerol backbone (~10-12% by weight) released as a metabolic substrate. Butyrate concentration per typical serving (300-600 mg tributyrin): approximately 200-420 mg bioavailable butyrate. Key bioactive roles: short-chain fatty acid (SCFA) acting as primary energy substrate for colonocytes (~60-70% of colonocyte energy demand); histone deacetylase (HDAC) inhibitor at micromolar concentrations (IC50 ~2-5 mM intracellularly); G-protein coupled receptor (GPR41, GPR43, GPR109A) agonist. Bioavailability notes: Tributyrin demonstrates significantly superior bioavailability compared to sodium butyrate (~4-6x greater colonic delivery); protected from upper GI degradation and odor due to esterified form; hydrolysis occurs progressively through small intestine into colon, enabling sustained-release butyrate delivery; oral bioavailability estimated at 70-85% of administered dose reaching target colonic tissue. Micronutrients: negligible mineral or vitamin content inherent to the compound itself.

Reported Mechanism (Provisional)

Mechanism of Action

Tributyrin releases butyrate through enzymatic hydrolysis by pancreatic and intestinal lipases in the small intestine and colon. Butyrate activates G-protein coupled receptors GPR41 and GPR43, inhibits histone deacetylases (HDACs), and serves as the primary fuel source for colonocytes. This process strengthens tight junction proteins like claudin-1 and occludin while promoting regulatory T-cell differentiation through epigenetic modifications.

Clinical Narrative (Provisional)

Human studies on tributyrin supplementation are limited, with most research conducted in animal models and in vitro studies. A small pilot study (n=24) showed tributyrin improved gut barrier function markers after 4 weeks of supplementation. Animal studies demonstrate significant reductions in colonic inflammation and improved insulin sensitivity with doses equivalent to 500-1000mg daily in humans. More robust clinical trials are needed to establish definitive therapeutic benefits and optimal dosing protocols.

Also Known As

Glycerol tributyrateButyric acid triglycerideTributyric acid glycerideButyrate esterProButyrateGlyceryl tributyrateTriple butyrate

Explore the Full Encyclopedia

Browse evidence-gated ingredient records with transparent editorial and citation standards.

Browse Ingredients
These statements have not been evaluated by the Food and Drug Administration. This content is for informational purposes only and is not intended to diagnose, treat, cure, or prevent any disease.
From the Hermetica Research Desk

Research updates — and 25% off your first order

Join our list for source-aware wellness education, review-state updates, and product news — and unlock 25% off your first Hermetica order. Educational content is not medical advice. No spam, unsubscribe anytime.

Educational content only — not medical advice.