Zeaxanthin

Zeaxanthin belongs to a group of bioflavonoids known as carotenoids. It is one of the two carotenoids contained within the retina of the eye. Within the central macula (center of the visual field), zeaxanthin is the dominant component, whereas in the peripheral retina, lutein predominates. The best sources of zeaxanthin are dark-green leafy vegetables, such as kale, and spinach. Zeaxanthin is also found in yellow fruits and vegetables, and egg yolks. It is the pigment that gives paprika (made from bell peppers), corn, saffron, and many other plants their characteristic color.

Zeaxanthin helps protect the eye from ultra-violet (UV) damage, and prevents free-radical damage to the retina and the lens of the eye that is associated with macular degeneration, cataracts, and glaucoma.