Nutramigen Ready-to-Use Infant Formula is a nutritionally complete, iron-fortified, lactose-free formula specially designed for infants with food allergies, including cow's milk allergy. Made with extensively hydrolyzed casein protein, Nutramigen helps reduce exposure to milk protein allergens while promoting healthy growth and development. Each convenient 8 oz ready-to-feed bottle delivers 20 calories per fluid ounce with no mixing required.