Similac Advance Infant Formula is a nutritionally complete milk-based and iron-fortified baby formula featuring OptiGRO， our exclusive blend of DHA， Lutein and Vitamin to help support your baby's overall growth， brain， eye and immune system development.Similac is the #1 infant formula brand chosen by moms* and the #1 brand fed in hospitals (*Total US infant formula all outlets as of 6/6/15， Nielsen Data)Features OptiGRO， our exclusive blend of DHA， Lutein， and Vitamin E; Nutrition beyond DHA aloneDesigned to support brain， eye， and physical development