The Vitamin D Paradox in COVID-19 and Why It Predicts But Doesn’t Always Protect


MedCram – Medical Lectures Explained CLEARLY

Roger Seheult, MD of MedCram examines the vitamin D paradox.

(This video was recorded on April 10, 2022)

See all Dr. Seheult’s videos at:

Roger Seheult, MD is the co-founder and lead professor at He is Board Certified in Internal Medicine, Pulmonary Disease, Critical Care, and Sleep Medicine and an Associate Professor at the University of California, Riverside School of Medicine.


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Vitamin D Supplements for Prevention of Covid-19 or other Acute Respiratory Infections: a Phase 3 Randomized Controlled Trial (medRxiv) |…

Sunlight: Optimize Health and Immunity (MedCram) |

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MedCram medical videos are for medical education and exam preparation, and NOT intended to replace recommendations from your doctor.

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