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Description
"Vitamin A is the precursor of visual pigments and is vital for the differentiation of epithelial tissues. It is thought to have anticancer properties and is used to treat skin problems such as acne, wrinkling and icthyosis*. This vitamin is found in liver oils and is synthesized from carotenoids.Vitamin D is called the sunlight vitamin because the body produces it when the sun's ultraviolet B (UVB) rays strike the skin. It is the only vitamin the body manufactures naturally and is technically considered a hormone. Essential for building strong bones and teeth, vitamin D also helps to strengthen the immune system and may prevent some types of cancer.*
While just 10 to 15 minutes in the summer sun a few days a week supplies adequate amounts of vitamin D, those who can't get out in the sun may need a supplement. In winter, people in northern climes who don't get enough sun may also need additional amounts of the vitamin. Unfortunately, the body's ability to manufacture vitamin D appears to decline with age, so older adults may need to get more vitamin D through diet (fortified milk and fatty fish have good amounts) or supplements, whether they're exposed to sunlight or not.
Surprisingly, even younger adults may have inadequate stores of this nutrient: In one study involving almost 300 patients of varying ages who were hospitalized for different types of ailments, 57% were found to have low levels of vitamin D. This insufficiency occurred in a full one-third of the people who were getting the recommended amounts of vitamin D from their diet or supplements.
*Note: The FDA has not evaluated any claims made. The dietary supplement product is not intended to ""diagnose, treat, cure or prevent any disease""
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