Similac Pro-Advance® Step 1 is the first and only infant formula in Canada with 2'-FL, an immune-supporting component found in breast milk. Designed for babies 0+ months, this non-GMO formula is our closest to breast milk and is made with milk from cows not treated with artificial growth hormones. It features an exclusive blend of DHA for brain and eye development, lutein, and natural vitamin E. This easy-to-digest, ready-to-feed format provides complete nutrition and convenience for your baby's crucial first year.