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Vitamin A has many functions in the body, including supporting immunity. As a provitamin A carotenoid, beta-carotene helps protect and strengthen the functions of the immune system. It helps the ...
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]
Chicken. Fish. Shellfish. Eggs. Brazil nuts. The recommended daily intake of these antioxidants will depend on your gender and age, and any other health conditions or disorders that may affect ...
Fruits can provide essential nutrients, fiber and a host of other health benefits. If you enjoy fruits frequently, that's great. ... 24/7 Help. For premium support please call: 800-290-4726 more ...
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]
Lycopene is a symmetrical tetraterpene because it consists entirely of carbon and hydrogen and is derived from eight isoprene subunits. [ 5] Isolation procedures for lycopene were first reported in 1910, and the structure of the molecule was determined by 1931. In its natural, all- trans form, the molecule is long and somewhat flat, constrained ...
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Long-term sunlight exposure is known to be associated with the development of some types of skin cancer, skin aging, immune suppression, eye diseases such as cataracts. [ 14 ] [ 15 ] Since UV rays, and therefore sunlight and sunlamps, have both health benefits and risks, a number of public health organizations state that there needs to be a ...