Optigro is a systematic formulation developed by Similac that combines DHA, Lutein and Vitamin E. It’s promoted to support eye and brain development, as well as growth, immunity and the ability to the thrive. It’s been reported to be in conjunction with 30 other beneficial nutrients, one of which is Nucleotidic acid. Since most of the formulas in our list are used as a treatment or preventative to colic, the Similac Optigro system, also has a proprietary blend of prebiotics for healthy digestive development.