Complete nutrition for your baby's first year. Do not add water. Non-GMO (Ingredients not genetically engineered). OptiGro: DHA for brain; Lutein for eyes; Vitamin E for development. The perfect bottle every time. Similar Advance may soften stools to be more like those of the breast-fed infant's. Gluten free. Galacto-oligosaccharides are prebiotics sourced from milk (GOS). C. cohinii oil is a source of DHA. M. alpina oil is a source of ARA. Similac has a line of product designed to support your baby's changing nutritional needs. Use only as directed by your baby's doctor. Stage 1: 0-12 months. Complete nutrition. Help with feeding questions is available at: FeedingExpert.com, 800-986-8800. Breast milk is recommended. If you choose to use infant formula, the makers of Similac have a formula that's right for your baby. Filled by volume to 1 quart. Extra space in bottle allows for shaking and easy pouring. Have product-related questions? Call 1-800-515-7677, 8:30 am-5:00 pm, Eastern time, weekdays. www.Similac.com.