Vitamin D is a fat soluble vitamin and you can take too much. Always best to test once every year or two to be safe. I have been seeing a lot of information about vitamin D lately, but not much in many articles about using it safely.

~Bonnie

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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....