Staying Healthy

New guidelines released for vitamin D testing and supplementation

In the journals

  • Reviewed by Howard E. LeWine, MD, Chief Medical Editor, Harvard Health Publishing; Editorial Advisory Board Member, Harvard Health Publishing
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  • Supplementation in older adults can be accomplished through vitamin D–fortified foods (such as some breakfast cereals, orange juice, and yogurt) and vitamin D supplements. Taking a daily supplement of 1,000 IU is acceptable.
  • Supplementation is recommended for adults at high risk for prediabetes. This is based on analyses suggesting that supplementation might slow the progression to diabetes.
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    About the Author

    photo of Matthew Solan

    Matthew Solan, Executive Editor, Harvard Men's Health Watch

    Matthew Solan is the executive editor of Harvard Men’s Health Watch. He previously served as executive editor for UCLA Health’s Healthy Years and as a contributor to Duke Medicine’s Health News and Weill Cornell Medical College’s … See Full Bio
    View all posts by Matthew Solan

    About the Reviewer

    photo of Howard E. LeWine, MD

    Howard E. LeWine, MD, Chief Medical Editor, Harvard Health Publishing; Editorial Advisory Board Member, Harvard Health Publishing

    Dr. Howard LeWine is a practicing internist at Brigham and Women’s Hospital in Boston, Chief Medical Editor at Harvard Health Publishing, and editor in chief of Harvard Men’s Health Watch. See Full Bio
    View all posts by Howard E. LeWine, MD

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