Shop › Ready-to-Feed Formula Image 1 of 1 Ready-to-Feed Formula $0.00 Similac ADVANCE Ready to Feed Infant Formula, 0-12 months, 32 fl oz, Milk-based Infant Formula with Iron Add To Cart Added! Similac ADVANCE Ready to Feed Infant Formula, 0-12 months, 32 fl oz, Milk-based Infant Formula with Iron