Certain rich-coloured fruits and vegetables are thought to be good for your eyes because they contain carotenoids, a class of naturally occurring pigments synthesized by plants, algae, and certain bacteria. Carotenoid molecules provide the yellow, orange, and red colours of many plants. Some carotenoids are converted in the body into vitamin A. Others provide direct antioxidant protection. Webber naturals vitamin A and carotenoid supplements, like cod and halibut liver oils, lutein and others, support healthy skin, vision, and immune function.