20 mg Lutein 10 mg Meso-Zeaxanthin 4 mg Astaxanthin Carotenoids For Macular Health Blue Light Protection Dietary Supplement Lutemax 2020 - Lutein & Zeaxanthin OmniXan-RS - RS- Zeaxanthin AstaPure Macula Protective Factors is a synergistic combination of three key carotenoids to protect the eyes' maculae against oxidative stress, blue light from all types of screens, LED lighting and the sun. The macula is responsible for focus and color differentiation.