Macushield Eye Health combines powerful antioxidants that protect the eye from the harmful effects of free radicals and is specifically designed to support macular health. The pigment of the macula comes from carotenoids that we get from our diet (carrots, fish) such as lutein, zeaxanthin and meso-zeaxanthin, which are also components of the supplement. Ingredients & Benefits The ingredients of the Macushield Eye Health supplement are: Meso-zeaxanthin (10mg) Lutein (10mg) Zeaxanthin (2mg) These ingredients are carotenoids produced from the marigold plant (tagetes, calendula). The pigment in the macula, which is yellow in color and absorbs harmful blue light, comes from these carotenoids which: filters and absorbs up to 90% of blue light are powerful antioxidants protects the eye by neutralizing free radicals