Lactaid Ultra is a dietar y supplement that naturally makes dairy foods more digestible. Lactaid Ultra Caplets offer the ultra solution for your diary digestive discomfort with one caplet dosing and convenient packets you can take with you. Is Lactaid for you? Yes, if you are one of millions of people who experience digestive discomfort such as gas, cramps, bloating and/or diarrhea when you eat diary foods- like milk, ice cream, or cheese. What is Lactaid? Lactaid contains a natural enzyme that breaks down lactose, the complex sugar found in dairy foods. If not properly digested, lactose can cause gas, bloating, cramps, and/or diarrhea.