Lists of food developed by dietitians, which allow patients to exchange one food for another in planning their daily food intake. Lists of fruits, vegetables, meats, and so on, have been developed for the control of fat intake, sodium intake, total energy intake, or balancing the intake of carbo¬ hydrates, fats, and proteins as is needed to manage a diabetic condition. The American Dietetic Association Food Exchange System is widely used and can be obtained through correspondence with their headquarters.