| http://www.w3.org/ns/prov#value | - The main sources of Vitamin D are food and sunlight.Since we are able to produce Vitamin D in our skin from sunlight, it has hormonal action in the body as well as vitamin activity.Those who do not get any sunlight (particularly the elderly in nursing homes) may be at a higher risk of Vitamin D deficiency and supplementation is recommended.However, because Vitamin D is a fat-soluble vitamin, it is
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