The Phenyl-Free 2 Metabolic Non-GMO Diet Powder 1 lb Can, 1860 Calories, is a medical food powder that is free of the essential amino acid phenylalanine for children and adults with documented phenylketonuria (PKU). It provides all other essential amino acids as well as nonessential amino acids, carbohydrate, fat, essential fatty acids, vitamins and minerals. Phenyl-Free 2 has less fat and fewer total calories than Phenyl-Free 1. Use under direct and continuing supervision of a doctor. 1 Count