VALUE SIZE/SUBSCRIBE & SAVE: 3 cans provide 50% more powder than the 1.45 lb container, for a one-month supply or 207 4-fl-oz bottles. Choose subscribe and save for additional savings and convenienceIMMUNE SUPPORT: Similac Pro-Advance is the first infant formula with 2'-FL human milk oligosaccharide,* designed to be closer than ever to breast milk. (*Not from human milk.)NO ARTIFICIAL GROWTH HORMONES: Similac is the first leading infant formula brand with no artificial growth hormones† (†No significant difference has been shown between milk derived from rbST-treated and non-rbST-treated cows)REDUCED FUSSINESS FROM A TRUSTED BRAND: Parents reported‡ reduced fussiness, gassiness, and spit-up after 1 day (‡After switching to Similac Pro-Advance). You can trust Similac, the #1 brand recommended by pediatricians for immune support and the #1 brand chosen by moms§ (§Total US infant formula, all outlets as of 3/31/2018, Nielsen data)OptiGRO: Our exclusive blend of DHA, Lutein, and Vitamin E, nutrients also found in breast milk, help support baby's brain and eye development