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How is vitamin D deficiency treated?

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Treatment for vitamin D deficiency involves getting more vitamin D -- through diet and supplements. Experts don't agree on how much vitamin D you need, but they agree that less than 20 nanograms per milliliter needs treatment.

If you don't spend much time in the sun or always are careful to cover your skin (sunscreen inhibits vitamin D production), you should speak to your doctor about taking a vitamin D supplement, particularly if you have risk factors for vitamin D deficiency.

SOURCES:

Institute of Medicine: "Dietary Reference Intakes for Calcium and vitamin D."

Office of Dietary Supplements: "Dietary Supplement Sheet: Vitamin D."

Melamed M. Archives of Internal Medicine, August 2008.

News release, Peninsula Medical School News.

WebMD Health News: "Low Vitamin D Linked to Severe Asthma."

Garland C.F.  Annals of Epidemiology, July 2009.

MedlinePlus: "25-hydroxy Vitamin D Test."

Harvard School of Public Health: "Vitamin D: How Much Is Enough?"

Reviewed by Christine Mikstas on July 28, 2020

SOURCES:

Institute of Medicine: "Dietary Reference Intakes for Calcium and vitamin D."

Office of Dietary Supplements: "Dietary Supplement Sheet: Vitamin D."

Melamed M. Archives of Internal Medicine, August 2008.

News release, Peninsula Medical School News.

WebMD Health News: "Low Vitamin D Linked to Severe Asthma."

Garland C.F.  Annals of Epidemiology, July 2009.

MedlinePlus: "25-hydroxy Vitamin D Test."

Harvard School of Public Health: "Vitamin D: How Much Is Enough?"

Reviewed by Christine Mikstas on July 28, 2020

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