Akuffo KO, Nolan JM, Howard AN, Moran R, Stack J, Klein R, Klein BE, Meuer SM, Sabour-Pickett S, Thurnham DI, Beatty S. Eye (London). May 2015.
Link to Study: Sustained supplementation and monitored response with differing carotenoid formulations in early age-related macular degeneration. Akuffo KO, Nolan JM, Howard AN, Moran R, Stack J, Klein R, Klein BE, Meuer SM, Sabour-Pickett S, Thurnham DI, Beatty S. Eye (London). May 2015.
Summary: Xanthosight improves macular pigment visual function and contrast sensitivity.