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Vitamin A is a fat-soluble vitamin, a category that also includes vitamins D, E and K. The vitamin encompasses several chemically related naturally occurring compounds or metabolites, i.e., vitamers, that all contain a β-ionone ring. [ 4]
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Kunth. Guaraná ( / ɡwəˈrɑːnə / from the Portuguese guaraná [ɡʷaɾɐˈna]; Paullinia cupana, syns. P. crysan, P. sorbilis) is a climbing plant in the family Sapindaceae, native to the Amazon basin and especially common in Brazil. Guaraná has large leaves and clusters of flowers, and is best known for the seeds from its fruits, which ...
The apricot is a small tree, 8–12 metres (26–39 feet) tall, with a trunk up to 40 centimetres (16 inches) in diameter and a dense, spreading canopy. The leaves are ovate, 5–9 cm (2– 31⁄2 in) long, and 4–8 cm ( 11⁄2 –3 in) wide, with a rounded base, a pointed tip, and a finely serrated margin.
While vitamin A supports healthy vision—among other things—it doesn’t actually improve eyesight. Sorry but no amount of carrot smoothies will help you regain that 20:20 vision. getty images
Now, new research shows that your fruit bowl may also hold potential for preventing depression later in life. A June 2024 study in The Journal of Nutrition, Health and Aging found that people in ...
Retinol, also called vitamin A1, 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]
Teeth whitening strips are easy-to-use, peel-and-stick strips that you wear on your teeth for 15 to 30 minutes each day. "Most kits come with a 30-day supply and are relatively easy to use," says ...