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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 ...
Non-animal sources of vitamin A like fruits and vegetables contain pro-vitamin A and account for greater than 80% of intake for most individuals in the developing world. The increase in consumption of vitamin A-rich foods of animal origin such as liver, milk, cheese, or eggs, also has beneficial effects on VAD. [47]
Retinol, also called vitamin A 1, is a fat-soluble vitamin in the vitamin A family that is found in food and used as a dietary supplement. [3] Retinol or other forms of vitamin A are needed for vision, cellular development, maintenance of skin and mucous membranes , immune function and reproductive development. [ 3 ]
Salmon, sardines, UV-exposed mushrooms, fortified milks and eggs are some food sources of vitamin D. If you don’t regularly get enough vitamin D through diet, try 15 minutes of sun exposure a ...
Vitamin D, Glassman said, is critical for immune health, mood and weight. ... Original article source: Make America Healthy Again: 6 foods and drink with powerful medical benefits. Show comments.
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]