A dietary supplement that includes the antioxidants lutein and zeaxanthin helped slow progression of age-related macular degeneration.
According to 10-year results from AREDS2, conducted by the National Institutes of Health, a new formula that replaced beta-carotene from the original AREDS formula with lutein and zeaxanthin reduced the risk for AMD progression in addition to being safer because of a lower risk for lung cancer.
“Because beta-carotene increased the risk of lung cancer for current smokers in two NIH-supported studies, our goal with AREDS2 was to create an equally effective