Lactose-free dairy product manufacturers add lactase to lactose-free milk which is an enzyme that breaks down lactose sugar found in dairy products, which helps lactose-free dairy products to be consumed without experiencing gastrointestinal symptoms. Apart from lactose intolerant consumers, lactose allergic people are also becoming a target consumers for the lactose-free dairy products. Lactose allergic people develop symptoms such as stomach pain, nausea, diarrhea, skin rash, swelling of the l 更多
