PKU Express 15. 30x 25g A food for special medical purposes. PKU express is a range of powdered phenylalanine free protein substitute.PKU express is for use in the dietary management of Phenylketonuria (PKU) from 3 years of age. Dosage & Administration is to be determined by the clinician or dietitian, & is dependent on the age, body weight & medical condition of the patient. The daily protein requirement is given as PKU express. Additional protein is provided from exchanges of natural protein, to provide phenylalanine in controlled amounts, which is essential for growth & development. Foods high in carbohydrate & fat, but low in protein, should be provided to supply the remainder of the energy. Each 25g sachet of PKU express 15 provides 15g of protein equivalent. Available in Unflavoured, Orange & Lemon