While supplies last, score a 3-pack of Similac Infant Formula, One Month Supply for as low as $56.32! You can also get the Similac Advance Infant Formula with Iron, Powder, One Month Supply, 36 Ounce (Pack of 3) for as low as $65.63! Originally … Continue reading 50% off Similac Advance Infant Formula $18.77 (Orig $40)