Enfamil A.R and Enfamil O-Lac are food for special medical purposes and must be used under medical supervision. Nutramigen with LGG is a food for special medical purposes for the dietary management of cow's milk allergy and must be used under medical supervision. Nutramigen Puramino is a food for special medical purposes for the dietary management of cow's milk allergy and must be used under medical supervision. IMPORTANT NOTICE: Breastfeeding provides the best nutrition for babies.