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Although there are no reported side effects from taking zeaxanthin supplements, the actual health effects of zeaxanthin and lutein are not proven, [5] [6] [7] and, as of 2018, there is no regulatory approval in the European Union or the United States for health claims about products that contain zeaxanthin.
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.
Carotenoids lutein and zeaxanthin, found in the yolk of chicken eggs, have been shown to reduce the risk of cataracts and macular degeneration, the leading causes of blindness in people 55 and older.
Meso-zeaxanthin, lutein, and 3R,3′R-zeaxanthin are the main carotenoids in the macula lutea, found in a ratio of 1:1:1, and are collectively referred to as macular pigment (MP). [3] Meso -zeaxanthin is concentrated at the epicentre of the macula, where it accounts for around 50% of MP at this location, with lutein dominating the peripheral ...
They’re also a source of zeaxanthin, lutein, and vitamin A, which are beneficial for eye protection and may reduce the risk of age-related macular degeneration, says Manaker.
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