How Vitamin D Helps Fight COVID-19

A simplified review of how vitamin D helps to protect against COVID-19 infection and improve outcomes in those with COVID-19

Vitamin D deficiency has now been shown to increase susceptibility to COVID-19 and increase the risk of COVID-19 severity, including ICU admission and death. Conversely, other published studies have also shown those with higher vitamin D levels (over 30 ng/ml or 75 nmol/L) have a reduced risk of severe symptoms and death due to COVID-19. In fact, an analysis of over 190,000 Americans found that having vitamin D levels of at least 50 ng/ml resulted in a 53% lower positivity rate than those whose levels were less than 20 ng/ml! The first-published randomized controlled trial on vitamin D and COVID-19 found that adding vitamin D to the standard treatment nearly eliminated ICU admissions and did eliminate deaths.

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How vitamin D helps to protect against SARS-CoV-2 infection and improve outcomes in those with active COVID-19

Vitamin D is used by every cell of the body, influences the expression of thousands of genes, and is involved in regulating over 80 biological pathways – importantly, vitamin D is a potent regulator of immune function. However, it may still be surprising how much one vitamin can influence the body’s response to a COVID-19 infection. Vitamin D deficiency has now been shown to increase susceptibility to COVID-19 and increase the risk that if you do have COVID-19, it will be severe enough to require hospitalization in the ICU and lead to death. Conversely, published studies have also shown reduced risk of severe symptoms and death due to COVID-19 with higher vitamin D levels (over 30 ng/mL). In fact, an analysis of over 190,000 Americans found that having a vitamin D level of at least 50 ng/ml resulted in a 53% lower positivity rate for SARS-CoV-2 infection than those with levels less than 20 ng/ml! The first-published randomized controlled trial on vitamin D and COVID-19 found that adding vitamin D to the standard treatment nearly eliminated ICU admissions and did eliminate deaths!

READ PART 2

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