Life Extension Super Zeaxanthin and Meso-ZeaxanthinLife Extension's Zeaxanthin/Meso-Zeaxanthin formula contains super high levels of the three most highly desired antioxidant carotenoids: Zeaxanthin, Meso-Zeaxanthin, and Lutein, which have been clinically shown to improve Macular Pigment Optical Density (MPOD) and promote macular health. C3G from European Black Currant promotes recovery of vision in dark following bright light exposure.