What is the difference between vitamin D and vitamin D3 ?

In terms of complement and effects on the metabolism / body ?

closed as off-topic by gwaigh, Dark Hippo, JohnP Apr 10 at 13:32

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D3, also called cholecalciferol, is just one form of the actual vitamin D. D3 is the preferred form of vitamin D for the body that is why when you buy it at pharmacy, it is usually D3. When vitamin D is formed by the body in the presence of sunlight, that is also D3.

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    While this is a decent answer, we encourage not answering off topic questions. – JohnP Apr 10 at 13:33

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