Optimal vitamin D levels

What is Optimal Vitamin D?

This post aim to give you a hint about what should/could be your optimal blood-level of Vitamin D(25OH), but, remember, that level is only an indication of your level of immune defense IF it is obtained by exposure to UVB light.

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Vitamin D deficiency?

Vitamin D deficiency – how fast? [gplus count=”true” size=”Medium” ] Been on a sunny vacation? Got a nice tan? Think you are above the level

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