Vitamin D and Its Potential Benefit for the COVID-19 Pandemic
Endocrine Practice https://doi.org/10.1016/j.eprac.2021.03.006
Nipith Charoenngam MD 12 Arash Shirvani MD, PhD1 Michael F.Holick MD1
COVID-19 treated by Vitamin D - studies, reports, videos
As of Oct42, 2022, the VitaminDWiki COVID page had: 19 trial results, 37 meta-analyses and reviews, Mortality studies see related: Governments, HealthProblems, Hospitals, Dark Skins, 26 risk factors are ALL associated with low Vit D, Recent Virus pages Fight COVID-19 with 50K Vit D weekly Vaccines Take lots of Vitamin D at first signs of COVID 116 COVID Clinical Trials using Vitamin D (08/2022)
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Virus and Dark Skin in VitaminDWiki
COVID fought by 50 ng of Vitamin D
- COVID etc. prevented and treated with 50,000 IU Vitamin D capsules - July 2022
- Discussion of COVID and 50 ng of Vitamin D (video and transcript)– Dr. Campbell Nov 17, 2021
- COVID probably fought by Vitamin D, might need 50 ng - Dr. Patrick Nov 8, 2021
- COVID-19 mortality extrapolates to zero at 50 ng of vitamin D – 18th Meta-analysis Sept 2021
- Vitamin D and COVID, review of evidence, loading dose if less than 50 ng - Masterjohn Sept 2021
- T-cells need at least 40-50 ng of Vitamin D to fight COVID-19 - June 2021
- COVID-19 prognostic indicators in plasma extrapolate to zero if Vitamin D is 40 to 80 ng – March 2021
- To protect against COVID-19, how much vitamin D – 20 to 50 ng – March 19, 2021
Also by Dr. Holick
- Vitamin D Sufficiency Reduced Risk for Morbidity and Mortality in COVID-19 Patients - Holick July 14 preprint
- Rate of COVID-19 test positive is 40 pcnt lower if high vitamin D (192,000 people) - Holick Sept 2020
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US COVID-19 data
Vitamin D is known not only for its importance for bone health, but also for its biologic activities on other many other organ systems. This is due to the presence of the vitamin D receptor (VDR) in various types of cells and tissues, including the skin, skeletal muscle, adipose tissue, endocrine pancreas, immune cells and blood vessels. Experimental studies have shown that vitamin D exerts several actions that are thought to be protective against COVID-19 infectivity and severity. These include the immunomodulatory effects on the innate and adaptive immune systems, the regulatory effects on renin-angiotensin-aldosterone-system in the kidneys and the lungs, and the protective effects against endothelial dysfunction and thrombosis. Prior to the COVID-19 pandemic, studies have shown that vitamin D supplementation is beneficial in protecting against risk of acquiring acute respiratory viral infection and may improve outcomes in sepsis and critically ill patients. There are a growing number of data connecting COVID-19 infectivity and severity with vitamin D status, suggesting a potential benefit of vitamin D supplementation for primary prevention or as an adjunctive treatment of COVID-19.
Although the results from most ongoing randomized clinical trials aiming to prove the benefit of vitamin D supplementation for these purposes are still pending, there is no downside to increasing vitamin D intake and having sensible sunlight exposure to maintain serum 25-hydroxyvitamin D at least 30 ng/mL (75 nmol/L) and preferably at 40 – 60 ng/mL (100 – 150 nmol/L) to minimize the risk of COVID-19 infection and its severity.
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