Should people take vitamin D to ward off the new coronavirus?

A preliminary, unpublished study speculates that vitamin D deficiency may have something to do with poor COVID-19 outcomes. Its authors suggest people may benefit from ensuring they are getting enough vitamin D. However, there are serious concerns about the research.

Written by Maria Cohut, Ph.D. on May 6, 2020 — Fact checked by Catherine Carver, MPH


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