It’s likely the easiest, least expensive and most beneficial strategy anyone can do to minimize their risk of COVID-19. It also naturally regulates and suppresses the cytokine inflammatory response.
STORY AT-A-GLANCE
- The French National Academy of Medicine stresses the importance of vitamin D against COVID-19 and recommends everyone take supplemental vitamin D. For COVID-19 patients over 60, they recommend vitamin D testing, and if deficiency is found, a bolus dose of 50,000 to 100,000 IU
- While vitamin D testing is not stressed for those under the age of 60, the French Agency recommends anyone under the age of 60 who receives a positive COVID-19 test start taking 800 IUs to 1,000 IUs of vitamin D per day anyway
- Vitamin D modulates (can upregulate and downregulate as needed) the function of your immune system by stimulating dentritic cells (which detect the presence of antigens such as viruses or bacteria) and macrophages (responsible for triggering immune responses and destroying pathogens)
- Vitamin D also regulates and suppresses the cytokine inflammatory response. This is particularly important for COVID-19, as out of control inflammation (cytokine storm) is a primary cause of death
- Scotland and the U.K. are also starting to take vitamin D more seriously. The British Frontline Immune Support Team is providing U.K. National Health Service workers with free liposomal vitamin C, vitamin D and zinc to bolster and regulate their immune function

As noted by retired nursing teacher John Campbell1Campbell Teaching in the video above, vitamin D is “an important immunological molecule” that likely plays role in the COVID-19 pandemic.
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