Overview
Enzyme blend that breaks down FODMAPs at the meal level.
- Endogenously produced or biosynthesized molecule
- Standardized pharmaceutical- or food-grade supplement
- Combined with cofactors that improve absorption or activity
- Capsule or softgel
- Powder
- Sublingual or buccal
- Liposomal liquid
Mechanism of action
Cleaves fructans, galactans, and lactose before fermentation in the colon.
- · Cleaves fructans, galactans
- · and lactose before fermentation in the colon
Effects on the body
Organ system effects
Evidence-based benefits
Reduces FODMAP-induced symptoms
Limited evidencePotential side effects
- · FODZYME (α-galactosidase + lactase) is generally well-tolerated at evidence-based doses
- · Mild GI discomfort (nausea, loose stools, or bloating) possible at higher intakes
- · Headache or transient fatigue reported by a small fraction of users
- · Allergic or hypersensitivity reaction (rash, itching, swelling)
- · Sleep disturbance if taken late in the day
- · Discontinue and seek medical advice if symptoms are severe, persistent, or include difficulty breathing
Drug interactions
Supplement interactions
- A high-quality multivitaminCovers micronutrient cofactors that support most supplement pathways.
- Omega-3 (EPA/DHA)Foundational anti-inflammatory support that complements most regimens.
No specific avoidances listed.
Dosing & bioavailability
Where to buy
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Scientific evidence8Show studiesHide studies
α-galactosidase in IBS with gas
Di Stefano M, et al.
Crossover RCT in 8 IBS patients.
Reduced flatus and pain after legume meals.
PubMed: FODZYME (α-galactosidase + lactase) — Reduces FODMAP-induced symptoms
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PubMed: FODZYME (α-galactosidase + lactase) — randomized controlled trial
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PubMed: FODZYME (α-galactosidase + lactase) — meta-analysis
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PubMed: FODZYME (α-galactosidase + lactase) — pharmacokinetics
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PubMed: FODZYME (α-galactosidase + lactase) — safety adverse events
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PubMed: FODZYME (α-galactosidase + lactase) — dose response
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Google Scholar: FODZYME (α-galactosidase + lactase) — clinical evidence
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