Pku lophlex lq 125 ml pouch, juicy tropical.Pku lophlex lq 125 ml pouch, tropical ready to drink, 120 calories.A phenylalanine-free, ready-to-drink medical food containing amino acids, vitamins, trace elements and some minerals; for the dietary management of proven phenylketonuria (pku) in individuals 4 years and older including pregnant women and women of child-bearing age.