lutein drug definition
Eye Vitamins. Lutein is an antioxidant carotenoid a pigmented nutrient that is responsible for the yellow colors of fruits and vegetables and is present in the highest quantities in dark, leafy green vegetables.You're born with a certain amount of lutein in your eye, but your body doesn't reproduce it.utein is an antioxidant carotenoid a pigmented nutrient that is responsible for the yellow colors of fruits and vegetables and is present in the highest quantities in dark, leafy green vegetables. You're born with a certain amount of lutein in your eye, but your body doesn't reproduce it.