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How Much Vitamin D Do You Really Need to Take?

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  • Today’s vitamin D recommendations may be enough to help provide rickets, but it does nothing to give protection from cancer, heart disease, and infections. Most adults need about 8,000 units of vitamin D, while there are others who may need over that required amount to optimize their vitamin D levels.

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This is an older article that may not reflect Dr. Mercola’s current view on this topic. Use our search engine to find Dr. Mercola’s latest position on any health topic.

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