PKU Periflex Junior Plus Pediatric Oral Supplement Berry Flavor 417 ml Can Powder Phenylalanine-free - EachContains a multi fiber mix to promote digestive health Balanced mixture of all other essential and non essential amino acids, carbohydrate, vitamins, minerals and trace elements Contains DHA (docosahexaenoic acid, an omega 3 fatty acid), considered important for brain and eye development in children up to 24 months of age Can contains 400 grams of berry flavor powder.