Meet your little one's daily nutritional needs with the help of Similac Advance Infant Formula with Iron Baby Formula. It's a nutritionally complete milk-based and iron-fortified baby formula. It features OptiGRO, an exclusive blend of DHA, lutein and vitamin E to help support baby's overall growth, brain, eye and immune system development. Similac Advance 12.4 oz formula has no artificial growth hormones. It is the number 1 brand chosen by moms according to Nielsen data. Similac advance with iron is easy to make. Simply mix with water right in the bottle before feeding baby. Similac Advance Infant Formula with Iron Baby Formula is an ideal choice for parents as it has some of the special nutrients found in breast milk that are important for helping support baby's development.