UCD Trio, Unflavored, 400g Powder, Can. 393 calories per 100g. 1572 calories per can. 15g of protein per 100g. 60g of protein per can. UCD trio is a powdered  medical food containing a blend of essential amino acids, carbohydrate, fat, vitamins, minerals and trace elements.  For use in the dietary management of Urea Cycle Disorders and other conditions where the use of essential amino acids is indicated. Suitable for individuals from 1 year of age.