Your body needs fluids to digest food, cool down, and move nutrients and waste. Drinks are the largest source of fluids.
Fluid needs depend on age, body size, and activity level. Most adults need 9 to 12 cups of fluid per day. Fluid amounts for children and youth vary by age. To learn more, see Drinks for Children and Youth: Ages 2-18.
Drinks containing sugar and fat are often higher in calories. Using these drinks can contribute to weight gain. Limit your intake of these drinks to help you manage weight and reduce the risk of type 2 diabetes and heart disease.