Compare to Similac Pro-Advance Infant Formula. Member’s Mark Advantage Baby Formula Powder With Iron is designed to be like breast milk to provide complete nutrition for babies age 0-12 months. With prebiotic 2′-FL HMO for infant immune support; DHA, Lutein and Vitamin E to support brain and eye development. Complete nutrition for the first year. Similac Pro-Advance is a registered trademark of Abbott Laboratories. Member’s Mark Advantage Infant Formula does not contain the identical proprietary ingredient blend of prebiotics, patented levels of nucleotides, lutein and lycopene in Similac Pro-Advance. Not genetically engineered.