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Are You Ready for the Darkest Day of the Year?

  • December 20, 2017
    200453

vitamins

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  • December/January is an ideal time to test your vitamin D level, to establish your annual low. For optimal health and disease prevention, a level between 60 and 80 ng/mL appears to be ideal

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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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