Nutramigen Puramino (400g). From birth onwards,. Nutramigen PURAMINO is an amino acid-based hypoallergenic formula, with a high level of Medium Chain Triglycerides (MCT) oil, especially designed for infants and young children with severe cow’s milk allergy and multiple food allergies.. Nutritionally complete formula, Nutramigen PURAMINO is suitable from birth and can be used as a sole source of nutrition in infants up to 6 months of age or as part of a varied diet for older infants and young children.