Enjoy dairy in confidence with Lactaid Original Strength Caplets with lactase enzyme. This dietary supplement is formulated to help prevent the gas, bloating, and diarrhea that many people experience after eating foods containing dairy due to lactose intolerance. Lactaid Original Strength Caplets may be used every time you eat food containing dairy - every meal, every snack, every day - and are suitable for adults and children, ages 4 and up.