Lactase Enzyme
Commonly used for
NutritionBloatingDiarrhea
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What is it? / Overview
Lactase supplements replace the digestive enzyme needed to break down lactose into absorbable sugars. Taken immediately before dairy products they can substantially reduce symptoms of lactose intolerance without requiring complete dairy avoidance.
How is it used? / Administration
Form: Lactase (beta-galactosidase) tablets or capsules
Typical dose studied: 3,000–9,000 FCC units immediately before dairy consumption (varies by lactose load)
Timing: Immediately before or with lactose-containing foods
Treats lactose intolerance, not milk allergy — important distinction. Dose depends on lactose load consumed.
How well does it work? / Evidence
✓ Well-established
Who should avoid it?
Avoid with: Food Allergies
Already taking it? Dose should be adjusted based on amount of lactose consumed.
Research & references
Shaukat A et al. (2010). Management strategies for lactose intolerance systematic review. Annals of Internal Medicine. Misselwitz B et al. (2019). Lactose malabsorption pathogenesis and management. Gut. NIDDK Lactose Intolerance Clinical Guidance.
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