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Vitamin A status involves eye health via two separate functions. Retinal is an essential factor in rod cells and cone cells in the retina responding to light exposure by sending nerve signals to the brain. An early sign of vitamin A deficiency is night blindness. [6] Vitamin A in the form of retinoic acid is essential to normal epithelial cell ...
Beta-carotene in food is a safe source of vitamin A. [30] A 2012 study showed that the beta-carotene produced by golden rice is as effective as beta-carotene in oil at providing vitamin A to children. [31] The study stated that "recruitment processes and protocol were approved". [31]
The characteristic orange colour is from beta-carotene, making carrots a rich source of vitamin A. A myth that carrots help people to see in the dark was spread as propaganda in the Second World War, to account for the ability of British pilots to fight in the dark; the real explanation was the introduction of radar.
Vitamin D works by helping immune cells generate a more effective response against viruses.” Young noted that foods rich in vitamin D include fish, eggs, and dairy products. He also recommends ...
It’s rich in protein, vitamin A, vitamin B12, iron, zinc, and the antioxidant coenzyme Q10 (CoQ10), ... Similar to other sources of protein, a typical serving size of organ meat is about 3 to 4 ...
Vitamin E, including tocotrienol and tocopherol, is fat soluble and protects lipids. Sources include wheat germ, seabuckthorn, nuts, seeds, whole grains, green leafy vegetables, kiwifruit, vegetable oil, and fish-liver oil. Alpha-tocopherol is the main form in which vitamin E is consumed.