The enzyme comes in liquid form. Three to 10 drops are added per serving just before eating to break down the gas-producing sugars. Beano has no effect on gas caused by lactose or fiber. Before taking any such medications it is strongly advised to consult with your health care professional and have an appropriate evaluation. For those who have chronic belching, doctors may suggest ways to reduce the amount of air swallowed.
Recommendations are to avoid chewing gum and to avoid eating hard candy.
Eating at a slow pace and checking with a dentist to make sure dentures fit properly should also help.