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Vitamin D is not only a vitamin, but also a hormone. It's unique because it is made in the body by the skin via sunlight. Some regions in the world do not receive enough sunlight to produce enough Vitamin D.

Vitamin D is used to help with calcium absorption and the prevention of Rickets and some bone disorders.

For the places that don't get enough sunlight, or people who are unable to get outside a supplement would be useful.

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15y ago

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