Reduce the hours of cryingandtrade lactase enzyme drops safe from birth lactase enzyme for adding to infant milk or breastmilk to reduce lactose content transient lactase deficiency can result in the temporary digestive discomfort caused by undigested lactose in food this can be an important factor in some babies with colic coliefandreg may help reduce the hours of crying by breaking down the lactose in the babys usual milk and making this more easily digestible for further information