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How Lutein Supports Eye Health “Lutein is a carotenoid, or a naturally occurring pigment,” says Elana Usdenski, RD, a registered dietitian in Ontario, Canada. It is responsible for the yellow ...
Everything you need to know about supporting your eye health
Lutein (/ ˈ lj uː t i ɪ n,-t iː n /; [2] from Latin luteus meaning "yellow") is a xanthophyll and one of 600 known naturally occurring carotenoids.Lutein is synthesized only by plants, and like other xanthophylls is found in high quantities in green leafy vegetables such as spinach, kale and yellow carrots.
Because the macula is yellow in color, it absorbs excess blue and ultraviolet light that enter the eye and acts as a natural sunblock (analogous to sunglasses) for this area of the retina. The yellow color comes from its content of lutein and zeaxanthin, which are yellow xanthophyll carotenoids, derived from the diet. Zeaxanthin predominates at ...
Focus Factor Brain and Vision-Eye Vitamin and Mineral Supplement w/Lutein is a specially formulated blend of nutrients designed to support cognitive function and promote healthy eyesight.
For example, the yellow color of chicken egg yolks, fat, and skin comes from ingested xanthophylls—primarily lutein, which is added to chicken feed for this purpose. The yellow color of the macula lutea (literally, yellow spot) in the retina of the human eye results from the presence of lutein and zeaxanthin. Again, both these specific ...
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