calcium citrate, L-histidine, cystine, L-glycine, sodium citrate, L-tryptophan, L-methionine, taurine, L-carnitine. Action Nutramigen PURAMINO is a dietary food for special medical purposes for young children from the first days of chewing up to 6 months of age and up to this point can be the only source of nutrition. Hypoallergenic preparation containing free amino acids, intended for the dietary treatment of food protein allergies, including multi-food allergies, as well as, if necessary, an elemental diet.