Meta-analysis supports lutein’s eye health benefits

High dietary intake of lutein and zeaxanthin, compounds with a long history of eye health benefits, may reduce the risk of late-stage age-related macular degeneration (AMD).

Increased intakes of the carotenoids were associated with a 26% reduction in the risk of late-stage AMD.
The macula is a yellow spot of about five millimeters diameter on the retina. As we age, levels of the pigments in the macula decrease naturally, thereby increasing the risk of AMD. The yellow color is due to the content of the carotenoids lutein and zeaxanthin, which we derive from the diet.
These compounds are the only carotenoids capable of filtering the harmful blue light than can damage cells in the eye, the rods and the cones.
A thin macular pigment can allow the blue light through and destroy the cells. Maintaining high levels of both carotenoids, and therefore the macular pigment, is a valid approach to maintaining eye health and reducing the risk of AMD.
Lutein, a nutrient found in various foods including green leafy vegetables and egg yolk, has a ten-year history in the dietary supplement market as a nutrient to reduce the risk of age-related macular degeneration (AMD), the leading cause of blindness in the over 50S.
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Source: Nutraingredients