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Lactase Ingredient Notes
Lactase is an enzyme that breaks down lactose, the sugar in milk. Tablets and liquid drops are used differently, so check the product instructions.

Lactase is an enzyme that breaks down lactose, the sugar in milk. Tablets and liquid drops are used differently, so check the product instructions.
Community experiences
Selected positive personal experiences from external communities, edited and summarized. These accounts do not establish effectiveness.
A contributor who had used lactase for one to two years wrote that it helped reduce discomfort when eating foods such as cheese or yogurt. They described needing more tablets with milk, ice cream or cappuccino than with other dairy foods. Without the enzyme activity of the products or the amounts of food, the tablet counts in the original account should not be applied as a dose suitable for everyone.
Experience shared by external community contributor A
A contributor who began using lactase on a healthcare professional's advice after testing confirmed lactose intolerance wrote that they experienced less digestive discomfort after eating out. They continued to avoid milk and ice cream but said they could eat moderate amounts of cheese. This experience combined dietary restrictions with enzyme use; it does not mean that the lactose intolerance went away or that unlimited dairy intake became possible.
Experience shared by external community contributor B
This page is for general reference only and is not medical advice, diagnosis, treatment, or prescription. Ask a qualified professional if you need medical advice or diagnosis.
What is Lactase?
Lactase is an enzyme that breaks down lactose, the sugar in milk. Tablets and liquid drops are used differently, so check the product instructions.
On Supplecipe, you can search iHerb products that mention Lactase and compare single-ingredient products against broader supplement blends.
Evidence and limitations
NIDDK notes that lactase products can help some people manage lactose-intolerance symptoms. Results depend on the lactose eaten and individual tolerance. Lactase does not make dairy safe for someone with a milk-protein allergy.
Forms and other names
Lactase is an enzyme, not lactose or a probiotic. In a digestive-enzyme blend, check the activity declared specifically for lactase.
Related ingredients
Related reading, not a recommendation to combine supplements.
Side effects and cautions
Follow the instructions for tablets or drops. Do not rely on lactase to prevent a milk-allergy reaction. Persistent abdominal pain or diarrhea needs medical assessment; check with a professional before use in young children, pregnancy or breastfeeding.
How to compare iHerb products
- Enzyme weight and enzyme activity are different measurements. Compare the stated activity units, such as ALU, and serving size; do not convert differently defined activity units or mg without a matching basis.
- Look for form, serving size, extra ingredients, allergens, and whether the product is a single ingredient or a blend.
- Compare brand, price per serving, ingredient form, and single-ingredient versus complex products.
- Use the search button below to compare iHerb products that mention this ingredient.
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