Makes 16 - 4 fl oz bottles. Complete nutrition for your baby's first year. Perfect for diaper bags. OptiGro: DHA for brain; lutein for eyes; vitamin E for development. Pre-measured powder singles are convenient, portable and ready for you and your baby. Each powder single makes a 4 fl oz bottle. No scooping or measuring. Perfect for diaper bags, travel and late night feedings. Similac Advance may soften stools to be more like those of the breast-fed infants. Breast milk is recommended. If you choose to use infant formula, the makers of Similac have a formula that's right for your baby. Have product-related questions? Call 1-800-515-7677, 8:30 am-5:00 pm, Eastern time, weekdays; www.Similac.com. Gluten free. Galacto-oligosaccharides are prebiotics sourced form milk (GOS). C. cohnii oil is a source of DHA, M. alpina oil is a source of ARA.