Enzyme
Lactase
Lactase is the enzyme in the small intestine that splits milk sugar (lactose) into glucose and galactose. Supplement lactase is usually made by fungi or yeasts.
What it is studied for
The strongest rated effects first. Bars show the size of the effect, the letter grades the evidence, and each rating lists the studies behind it.
Every rating with its studiesGrouped by health goal, with the publications behind each rating
Key studies
The most recent publications linked to Lactase's ratings.
Gastrointestinal disorders in secondary lactase deficiency: diagnostic features, methods of correction2024Effect of lactase on symptoms and hydrogen breath levels in lactose intolerance: A crossover placebo‐controlled study2020Lactose Maldigestion, Malabsorption, and Intolerance: A Comprehensive Review with a Focus on Current Management and Future Perspectives2018Lactose malabsorption and intolerance: pathogenesis, diagnosis and treatment2013Health implication of lactose intolerance and updates on its dietary management
All 7 studiesEvery publication linked to LactaseWhy people take it
Essential Health21.2%
Gut Health20.8%
Immune Support17.5%
Energy12.5%
Detox10.6%
Fitness4.5%
SuppCo community snapshot, 2026-09-28. Reasons for use are not evidence that it works.
Lipase