Beano helps prevent gas caused by many healthful foods. Beano is not a drug. It is a dietary supplement - a food enzyme from a natural source. Use Beano with the first bite of gassy food to help prevent gas bloating and pressure. Try Beano on vegetables like broccoli, brussels sprouts, cabbage, carrots, cauliflower, corn, lettuce, onions, peppers and more. And legumes like beans, peas, and soy products. Plus cereals, whole grains and seeds.