Beano helps stop gas before it starts. Beano stops gas, bloating, and discomfort from healthy foods like: beans, broccoli, cabbage, onions, peppers, soy products, whole grains, and many more. Beano is a food enzyme dietary supplement that breaks down the complex sugars found in many foods, making them easier to digest. You take Beano right before your first bite of any food that might make you gassy. This bottle of Beano contains 100 tablets of Beano. A serving size is 2 tablets. The active enzyme in Beano is alpha-galactosidase.