Professor Roger Seheult, MD explains the important role Vitamin D may have in the prevention and treatment of COVID-19.  Dr. Seheult illustrates how Vitamin D works, summarizes the best available data and clinical trials on vitamin D, and discusses vitamin D dosage recommendations.

Roger Seheult, MD is the co-founder and lead professor at https://www.medcram.com​
He is an Associate Professor at the University of California, Riverside School of Medicine and Assistant Prof. at Loma Linda University School of Medicine
Dr. Seheult is Quadruple Board Certified: Internal Medicine, Pulmonary Disease, Critical Care, and Sleep Medicine

Interviewer: Kyle Allred, Producer and Co-Founder of MedCram.com

REFERENCES:

The National Human Activity Pattern Survey (NHAPS)... (J. of Exposure A. and Env. Epidem.) | https://www.researchgate.net/publicat...​

Aging decreases the capacity of human skin to produce vitamin D3 (The J. of Clin. Invest.) | https://pubmed.ncbi.nlm.nih.gov/2997282/​

Racial differences in the relationship between vitamin D... (Osteoporosis Int.) | https://www.ncbi.nlm.nih.gov/pmc/arti...​

Decreased bioavailability of vitamin D in obesity (The American J of Clin. Nutrition) | https://academic.oup.com/ajcn/article...​

Vitamin D Insufficiency and Deficiency and Mortality from Respiratory Diseases ... (Nutrients) | https://www.mdpi.com/2072-6643/12/8/2488​

Vitamin D supplementation to prevent acute respiratory tract infections: systematic review and meta-analysis... (BMJ) | https://www.bmj.com/content/356/bmj.i...​

Randomized trial of vitamin D supplementation to prevent seasonal influenza A... (The American J.of Clin. Nutrition) | https://pubmed.ncbi.nlm.nih.gov/20219...​

Vitamin D and SARS-CoV-2 infection... (Irish J. of Med. Sci.) | https://link.springer.com/article/10....​

Factors associated with COVID-19-related death... (Nature) | https://www.nature.com/articles/s4158...​

Editorial: low population mortality from COVID-19 ... (Alimentary Pharm. & Therap.) | https://pubmed.ncbi.nlm.nih.gov/32311...​

The role of vitamin D in the prevention of coronavirus ... (Aging Clin. & Exper. Res.) | https://www.ncbi.nlm.nih.gov/pmc/arti...​

25-Hydroxyvitamin D Concentrations Are Lower in Patients with ... SARS-CoV-2 (Nutrients) | https://www.mdpi.com/2072-6643/12/5/1359​

Vitamin D deficiency in COVID-19: Mixing up cause and consequence (Metabolism) | https://www.ncbi.nlm.nih.gov/pmc/arti...​

Low plasma 25(OH) vitamin D level... increased risk of COVID-19... (The FEBS J.) | https://pubmed.ncbi.nlm.nih.gov/32700...​

The link between vitamin D deficiency and Covid-19... | https://www.medrxiv.org/content/10.11...​

SARS-CoV-2 positivity rates... with circulating 25-hydroxyvitamin D levels (PLOS One) | https://journals.plos.org/plosone/art...​

Vitamin D status and outcomes for... COVID-19 (Post. Med. J.) | https://www.ncbi.nlm.nih.gov/pmc/arti...​

Vitamin D Deficiency and Outcome of COVID-19... (Nutrients) | https://www.mdpi.com/2072-6643/12/9/2757​

“Effect of calcifediol treatment...” (J. of Steroid Bio. Molec. Bio.) | https://www.ncbi.nlm.nih.gov/pmc/arti...​

Vitamin D and survival in COVID-19 patients... (J. of Steroid Bio. Molec. Bio.) | https://www.ncbi.nlm.nih.gov/pmc/arti...​

Effect of Vitamin D3 ... vs Placebo on Hospital Length of Stay...: A Multicenter, Double-blind, RCT | https://www.medrxiv.org/content/10.11...​

Short term, high-dose vitamin D... for COVID-19 disease: RCT [SHADE study] (Postgrad. Med. Journal) | https://pmj.bmj.com/content/early/202...​

Association of Vitamin D Status... With COVID-19 Test Results (JAMA Network Open) | https://jamanetwork.com/journals/jama...​

Evaluation, treatment, and prevention of vitamin D deficiency: an Endocrine Society clinical practice guideline (JCEM) | https://academic.oup.com/jcem/article...​ 

Vitamin D Fortification of Fluid Milk ... A Review (Nutrients) | https://www.ncbi.nlm.nih.gov/pmc/arti...​

Analysis of vitamin D level among asymptomatic and critically ill COVID-19 patients... (Scientific Reports from the Journal Nature) | https://www.nature.com/articles/s4159...​

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