Lactase breaks down lactose, the sugar in milk. If you have trouble digesting dairy, taking it before a meal can prevent bloating, gas, and stomach upset.
Take a lactase supplement right before your first bite of dairy. It comes as chewable tablets, capsules, or drops. Results depend on the dose of lactase and how much lactose you eat.
Some people might notice mild digestive changes or allergic reactions, particularly if they are sensitive to fungal-based enzymes. Check with a healthcare professional before use if you have a medical condition or take other medications.