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Carotenoids

Carotenoids are organic pigments that are found in the chloroplasts and chromoplasts of plants and some other photosynthetic organisms like algae, some bacteria, and some fungi. Carotenoids can be produced from fats and other basic organic metabolic building blocks by all these organisms. Carotenoids generally cannot be manufactured by species in the animal kingdom so animals obtain carotenoids in their diets, and may employ them in various ways in metabolism. In humans, three carotenoids (beta-carotene, alpha-carotene, and beta-cryptoxanthin) have vitamin A activity (meaning they can be converted to retinal), and these and other carotenoids can also act as antioxidants. In the eye, certain other carotenoids (lutein, astaxanthin and zeaxanthin) apparently act directly to absorb damaging blue and near-ultraviolet light, in order to protect the macula of the retina, the part of the eye with the sharpest vision.

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Eye Nourish Plus
Eye Nourish Plus
NEW IMPROVED FORMULA. NOW WITH 100% MORE MAQUIBRIGHT® AND 43% MORE ZEAXANTHIN
In light of new environmental threats and a significant supplement discovery, we have revised our original Eye Nourish formula: it now contains an extract...more info »
   
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