Foods for invalids and infants for special medical purposes, namely, food for invalids and infants with medically restricted diets; food supplements in the nature of medicinal food supplements for nutritional purposes; nutritional supplements for medical use; processed food adapted for medical purposes; dietary food supplements for medical use; dietary food products adapted for medical use; dietary food substances adapted for medical use for infants and invalids; dietetic non-alcoholic beverages adapted for medical purposes; nutritionally fortified food products adapted for medical use for persons with special dietary requirements; health food supplements for persons with special dietary requirements; food for medically restricted diets, namely, invalids' foods for persons with special dietary requirements due to a medical condition; medicated foodstuffs, namely, essential and non-essential amino acids, carbohydrate, vitamins, minerals and trace elements for persons with special dietary need due to a medical condition; mineral dietary supplements for humans; processed food adapted for medical purposes, namely, foods that are protein enhanced for dietetic purposes as well as low protein foods that are protein reduced for dietetic purposes for persons with a disorder of the digestive system; protein substitutes, namely, beverages, powder formulae and food products adapted for medical use for the management of metabolic disorders, including Phenylketonuria, Maple Syrup Urine Disease, and Tyrsinaemia; nutritionally fortified protein substitutes, namely, beverages, powder formulae and food products adapted for medical purposes for medical use