Lutein and zeaxanthin are well known for supporting healthy vision. VisionEssence has 15 mg and 4 mg, respectively, of these invaluable carotenoids, and surrounds them with synergizing nutrients like l-taurine, vitamin C, quercetin, black currant fruit, goji berries, schizandra, alpha lipoic acid, and 15 mg of BioVincaÆ (vinpocetine).*