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December 14, 2017

D-25,000

Thorne Thorne, U.S.

This is the story of vitamin D, a vitamin that supports the health of your body's bones, heart, and immune system.

Authors

Bodi Zhang, MD, MPH, PhD Thorne Staff, U.S.
Stephen Phipps, ND, PhD Thorne Staff, U.S.
Thorne Thorne, U.S.