TYR REFRESH AA 15, Orange, 16 Fl Oz, 90 Calories per Bottle.TYR REFRESH AA 15 Orange is phenylalanine and tyrosine free amino acid based ready to drink medical food with electrolytes for the dietary management of a person with Tyrosinemia. Each 16 Fl oz. (480ml) serving contains 15g protein equivalent in a great tasting hydration beverage. It is indicated for ages one year and older.