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Doctor's Corner: Lutein: The Antiordinary Antioxidant®
by Brandon Lewis, Ph.D.
Introduction
Luteins belongs to a class of compounds known as carotenoids. Carotenoids in general are yellow, orange, or red pigments responsible for many of the colors of the foods we consume each day. To date, over 600 carotenoids have been identified in nature, but are only produced by plants, algae and bacteria leaving humans and animals to consume carotenoids in the diet. Forty to Fifty carotenoids are consumed in the typical US diet, but only 14 have been detected in blood, indicating a selective use of specific carotenoids by the body. Lutein is one of these carotenoids found in the blood and has been increasingly associated with eye health over the last decade.
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