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Information on the latest vitamin D news and research.

Find out more information on deficiency, supplementation, sun exposure, and how vitamin D relates to your health.

I was just diagnosed with Vitamin D deficiency today. The lab results were sent via email with a note telling me a RX had been called in for me to pick up tomorrow. My question is: once I start taking the supplement how long should I expect it to be before I start to feel better? Thank you, Maureen

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Asked by  mosaicmt95932500 on November 1, 2015