Carotene is a physiologically active substance, which can be converted into vitamin A in animals and is helpful to treat night blindness, dry eye and epithelial keratosis. It can inhibit the overreaction of immunocompetent cells, eliminate the peroxides that cause immunosuppression, keep the membrane flowing, help maintain the membrane receptor state necessary for immune function, and play a role in the release of immunomodulators.

People's eyes have a retina, and there is purple on the retina, which has a dark visual effect on people in the dark. Proper carotene can make purple matter have normal content. If there is no carotene, the dark visual response will be slow, and if you suddenly encounter strong light, the dark visual response will also cause light damage to your eyes. Va is necessary to maintain the integrity of all epithelial tissues, and can also maintain the body surface, digestive tract, respiratory tract, urogenital tract and endocrine commodities, and avoid skin abrasion, keratinization, epidermal cell scaling and keratinization. The treatment of skin diseases and other skin diseases is helpful. Carotene also has a good effect on the stability of cell membrane. It can also be used to treat inflammation caused by sunlight. Free radicals can accelerate human aging, which people call "garbage" of the body. Carotene neutralizes peroxide free radicals in the body, thus preventing aging. People who often live in dark rooms and work in strong light and high temperature should eat more carotene or supplement, so that they can easily resist these external environments. Everyone should take this element every day in order to be healthy and avoid skin aging and night blindness.