Lactase
Digestive
Also known as: Dairy digest, Dairy digestive enzyme, Lactaid, Lactase enzyme
A
Grade A💊 3000-9000 FCC units per serving🎯 2 primary uses🔗 1 synergy⚠️ Review warnings
Levels upNutrition+50 pts
Overview
Enzyme for lactose digestion. Essential for those with lactose intolerance to enjoy dairy.
Primary Uses
Lactose intoleranceDairy digestion
Frequently Asked About Lactase
How much Lactase should I take?
The typical effective range is 3000-9000 FCC units per serving. Individual needs vary based on age, body weight, diet, and goals — start at the lower end and adjust based on response. Always consult a healthcare provider before starting a new supplement.
When is the best time to take Lactase?
With first bite of dairy. Consistency matters more than perfect timing — pick a daily anchor (e.g. with breakfast or before bed) and stick with it.
Should I take Lactase with food?
Yes.
Does Lactase interact with medications?
Yes — known interactions include None. If you take any prescription medication, talk to your doctor or pharmacist before starting Lactase.
What does Lactase pair well with?
Lactase stacks well with Digestive enzymes — these combinations either improve absorption or work synergistically toward common goals.
Who should not take Lactase?
Lactase should be avoided or used with caution by people with None. Pregnant or breastfeeding women should consult a healthcare provider before use.
What are the side effects of Lactase?
Most people tolerate Lactase well. The most commonly reported side effects are None. Side effects are usually dose-dependent — lowering the dose often resolves them.
Dosage
Typical range
3000-9000 FCC units per serving
Timing
With first bite of dairy
With food
Yes
Duration
As needed
Special Populations
Lactose intolerant
Research & Studies
Search the literature now
We haven’t curated landmark studies for Lactaseyet — one-click into the primary literature here. PubMed (RCTs) is usually the highest-signal starting point.
Mechanism of Action
- • Breaks down lactose to glucose and galactose
- • Allows dairy consumption
Evidence Quality
Evidence Grade A
Well-established for lactose intolerance
Safety & Contraindications
Serious Warnings
- • None
Contraindications
- • None
Common Side Effects
- • None
Pregnancy & Breastfeeding
Consult healthcare provider
Liver & Kidney Notes
Safe
Interactions
💊 Medications
- • None
🧪 Supplements
- • None
🍽️ Food & Alcohol
- • No interactions
Stacking & Synergies
Buying Guide
What to Look For
- • Adequate units for meal size
Standardization Markers
FCC or ALU units
Adulteration risk
Low
Practical Notes
- • Dose based on lactose in meal
- • More dairy = more enzyme
Tags
digestiveenzymelactose
More in Digestive
Other ingredients in the Digestive category.
Alpha-Galactosidase
Enzyme for breaking down gas-producing sugars in beans and cruciferous vegetables.
Amylase
Starch-digesting enzyme. Helps break down complex carbohydrates for those with carb intolerance.
Betaine HCl
Supplemental stomach acid for those with low acid production. Supports protein digestion and mineral absorption.
Bromelain
Pineapple-derived protease enzyme supporting protein digestion and having anti-inflammatory properties.
Digestive Enzyme Complex
Broad-spectrum enzyme blend for protein, carbohydrate, and fat digestion. Supports overall digestive comfort.
DPP-IV Enzyme
Specialized enzyme for gluten and casein breakdown. Helps with accidental exposure, not for celiac disease.
Last reviewed: June 2026 by the Formulate Research Team. Sources cited above; methodology and scoring criteria published here.
Cite this page
Formulate Research Team. (2026, June). Lactase — Evidence-Based Supplement Guide. Formulate Supplement Encyclopedia. https://app.formulate-health.app/learning/supplements/lactase
Educational content based on published research and our scoring methodology. Not medical advice — consult a qualified healthcare provider before starting, stopping, or changing supplements, especially if you take medications, are pregnant, or have a medical condition.