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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 ...
Why it’s a good alt: Niacinamide offers many of the same benefits as retinol—helping improve skin texture, fading dark spots and creating an even skin tone without the risk of irritation ...
Vitamin A supplementation of children under five who are at risk of VAD has been found to reduce all‐cause mortality by 12 to 24%. [30] Side effects of vitamin A supplements are rare. Vitamin A toxicity is a rare concern associated with high levels of vitamin A over prolonged periods of time.
A major cause of Bitot's spots is vitamin A deficiency (VAD). [4] Rarely, pellagra due to deficiency of vitamin B 3 (niacin) may also cause Bitot's spots. [5] They can also be caused by Colestyramine , which is a bile acid sequestrant which can reduce the absorption of fat soluble vitamins (Vitamins A, D, E, K)
In the human body, β-cryptoxanthin is converted to vitamin A and is, therefore, considered a provitamin A.As with other carotenoids, β-cryptoxanthin is an antioxidant and may help prevent free radical damage to cells and DNA, as well as stimulate the repair of oxidative damage to DNA.
Vitamin D might also slow the buildup of tau tangles, which are another hallmark of Alzheimer’s, he adds. How much vitamin D should I get per day? The recommended daily allowance of vitamin D ...
Green Goddess Smoothie. The best part about this green drink? It "hides two cups of über-healthy leafy greens behind crisp tart apple, creamy banana, and sweet pineapple," says Bauer.
Bing.com – Has an Advanced Image Search that offers images in different resolutions and also categorizes images. Allows free querying of the bing Image Search API up to a certain limit per day. Everystockphoto.com – Searching over 4.3 million public domain and creative commons photos including Wikipedia and NASA. Free user accounts with ...