Do You Have Enough Vitamin D?

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Prevent Vitamin D Deficiency

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An estimated 1 billion people are vitamin D deficient. Just how much vitamin D is required? It seems like a simple question but few among the population know the answer. This is largely because professional guide­lines for nutrition vary. Hence, doctors practicing at different facilities have inconsis­tent recommendations.

How To Measure Vitamin D

There is a difference between the recommended daily allowance (RDA) and the optimum level found within our blood stream. Vitamin D RDA is 400–800 IU/day, or 10–20 micrograms. However, some studies suggest that a higher daily intake of 1000–4000 IU (25–100 micrograms) maintains optimal blood levels.

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