Similac Soy Isomil Infant Formula is the #1 formula for complete soy nutrition. Our baby formula is a nutritionally complete, soy-based infant formula that is iron-fortified and lactose-free. It also includes OptiGRO, our exclusive blend of DHA, Lutein and Vitamin E, special nutrients found in breast milk that are important 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 12/31/16, Nielsen data. When mixed as directed, 1 SimplePac makes approximately 29 six fluid ounce bottles. Only $159.98, regulalry priced $187.20 + Free 2-Day Shipping and Free Store Pickup right HERE ← at Walmart.