Canada.com Lutein , a natural antioxidant present in the macula, the area of the retina responsible for central vision, protects against macular degeneration. Researchers learned in retrospective studies that people who ate more foods high in lutein had a lower ...
Laboratory Equipment A follow-up study that concluded in 2011, AREDS2, determined that the formula was still effective if one ingredient, beta-carotene (a form of vitamin A), was replaced with related nutrients, lutein and zeaxanthin. Beta-carotene was substituted in ... 更多 »
Pharmaceutical Processing A follow-up study that concluded in 2011, AREDS2, determined that the formula was still effective if one ingredient, beta-carotene (a form of vitamin A), was replaced with related nutrients, lutein and zeaxanthin. Beta-carotene was substituted in ...
