TYR Lophlex LQ, Juicy Berry, ready to drink, 120 calories per pouch. TYR Lophlex LQ is a tyrosine and phenylalanine-free, ready-to-drink medical food containing amino acids, carbohydrates, vitamins, minerals and DHA, based on mixed fruit juices (from concentrate) with natural flavor. A medical food specially formulated for the dietary management of proven tyrosinemia. Suitable for ages 4 through adult, including pregnant women.