Biomarker Reference · SCFA

What does the Short-Chain Fatty Acids (Acetate, Propionate, Butyrate) test measure?

Q: What is the reference range for Short-Chain Fatty Acids (Acetate, Propionate, Butyrate)?

The standard reference range for Short-Chain Fatty Acids (Acetate, Propionate, Butyrate) is Reported as total SCFA and percentage distribution (acetate, propionate, n-butyrate) against reference intervals # REVIEWER FLAG: Confirm Genova reporting format and ranges.. Reference ranges vary by laboratory and assay platform — interpret in context of the issuing laboratory's stated range.

Q: Which tests measure Short-Chain Fatty Acids (Acetate, Propionate, Butyrate)?

Short-Chain Fatty Acids (Acetate, Propionate, Butyrate) is measured in 4 tests on BiomarkersLabs.com, including Comprehensive Stool Analysis + Parasitology - 1 Day, Comprehensive Stool Analysis + Parasitology — 3 Day, GI Effects Comprehensive Profile – 1 Day (Stool).

Short-Chain Fatty Acids (Acetate, Propionate, Butyrate) (SCFA) is a clinical biomarker used in gastrointestinal assessment. Short-chain fatty acids — principally acetate, propionate, and butyrate — are the end products of bacterial fermentation of dietary fibre and resistant starch in the colon. It is measured in 4 laboratory tests on BiomarkersLabs.com.

Reference Range: Reported as total SCFA and percentage distribution (acetate, propionate, n-butyrate) against reference intervals # REVIEWER FLAG: Confirm Genova reporting format and ranges.
Units: µmol/g, mmol/L, µmol/g; typically acetate, propionate, butyrate reported separately, µmol/g or relative %, % distribution
Measured In: 4 tests
Category: Gastrointestinal

Functional medicine optimalButyrate ≥15% of total SCFA; total SCFA in the upper-normal laboratory range; low butyrate or total SCFA suggests inadequate fibre fermentation or dysbiosis.

What is Short-Chain Fatty Acids (Acetate, Propionate, Butyrate)?

Short-chain fatty acids — principally acetate, propionate, and butyrate — are the end products of bacterial fermentation of dietary fibre and resistant starch in the colon. Butyrate is the primary energy source for colonocytes and exerts anti-inflammatory and barrier-protective effects; propionate and acetate enter systemic circulation and influence hepatic and peripheral metabolism.

Why is Short-Chain Fatty Acids (Acetate, Propionate, Butyrate) measured?

Low butyrate production is associated with inflammatory bowel disease, irritable bowel syndrome, and metabolic dysfunction, though causality is unproven. SCFA profiles reflect microbial metabolic activity and substrate availability; interpretation is exploratory and should guide dietary and prebiotic interventions rather than pharmacotherapy.

Reference ranges

Standard reference: Reported as total SCFA and percentage distribution (acetate, propionate, n-butyrate) against reference intervals # REVIEWER FLAG: Confirm Genova reporting format and ranges.
Functional medicine optimal: Butyrate ≥15% of total SCFA; total SCFA in the upper-normal laboratory range; low butyrate or total SCFA suggests inadequate fibre fermentation or dysbiosis.
Units: µmol/g, mmol/L, µmol/g; typically acetate, propionate, butyrate reported separately, µmol/g or relative %, % distribution

Reference ranges vary by laboratory and assay platform. Interpret in context of the issuing laboratory's stated range.

Tests that measure Short-Chain Fatty Acids (Acetate, Propionate, Butyrate)

4 tests on BiomarkersLabs.com include this biomarker.

BML-MBG-013Comprehensive

Comprehensive Stool Analysis + Parasitology - 1 Day

Short-Chain Fatty Acids (Acetate, Propionate, Butyrate) reference range in this test: Laboratory-specific; typical healthy profiles show butyrate 10–30% of total SCFA, with acetate predominant.

BML-GAS-043Comprehensive

Comprehensive Stool Analysis + Parasitology — 3 Day

Short-Chain Fatty Acids (Acetate, Propionate, Butyrate) reference range in this test: Laboratory-specific; butyrate typically 10–30 µmol/g.

BML-GAS-045Comprehensive

GI Effects Comprehensive Profile – 1 Day (Stool)

Short-Chain Fatty Acids (Acetate, Propionate, Butyrate) reference range in this test: Laboratory-specific; acetate, propionate, and butyrate reported individually and as total SCFA.

BML-GAS-044Comprehensive

GI Effects Comprehensive Profile – 3 Day (Stool)

Short-Chain Fatty Acids (Acetate, Propionate, Butyrate) reference range in this test: Reported as total SCFA and percentage distribution (acetate, propionate, n-butyrate) against reference intervals # REVIEWER FLAG: Confirm Genova reporting format and ranges.

Related clinical conditions

Related Biomarkers

Frequently measured alongside

Parasites (Ova, Cysts, Trophozoites)Parasites2 tests Faecal CalprotectinCalprotectin2 tests Secretory Immunoglobulin AsIgA2 tests Faecal pHpH2 tests Beta-Glucuronidaseβ-Gluc2 tests Commensal Bacterial FloraCommensal Flora1 test Opportunistic and Pathogenic BacteriaOpportunistic Pathogens1 test Yeast and Fungal OrganismsYeast1 test

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