Phenyl-Free 2 is a medical food powder that is free of the essential amino acid phenylalanine & is specifically designed for children & adults with phenylketonuria (PKU).It provides all other essential amino acids, as well as nonessential amino acids, carbohydrates, fat, essential fatty acids, vitamins, and minerals. Phenyl-Free 2 has less fat & fewer total calories than Phenyl-Free 1. Phenyl-Free 2 Medical Food is available in 1 lb powder cans. If you want to stock up on Phenyl-Free 2 Medical Food you can purchase it in cases of 6.