- PKU Maxamum Powdered Medical Food, Unflavored, 16 ounces, 454g. 1385 Calories per can.A phenylalanine-free, powdered medical food for the dietary management of phenylketonuria (PKU) for older children, teens and adults. Contains a balanced mix of essential and non-essential amino acids, carbohydrates, vitamins, minerals and trace elements.
