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“The “infodemic” accompanying the SARS-CoV-2 virus pandemic has the potential to increase avoidable spread as well as engagement in risky health behaviors. Although social media platforms, such as YouTube, can be an inexpensive and effective method of sharing accurate health information, inaccurate and misleading information shared on YouTube can be dangerous for viewers. The confusing nature of data and claims surrounding the benefits of vitamin D, particularly in the prevention or cure of COVID-19, influences both viewers and the general “immune boosting” commercial interest.”

This is an excerpt from the background portion of their abstract, Quinn et alresearch .’s “COVID-19 and Vitamin D Misinformation on YouTube: Content Analysis”.

Vitamin D and Your Immune System

Evidence backs up using vitamin D to boost immunity and COVID-19 defense. Additional research demonstrates how “…low levels of vitamin D can result in the dysfunction of crucial antimicrobial effects, potentially contributing to poor prognosis.” Science has shown the roles vitamin D plays within the immune response that are particularly influential in combating COVID-19.

  • Many immune cells that are essential to a good immunological response, including dendritic cells, macrophages, T and B lymphocytes, have high numbers of vitamin D receptors.
  • The respiratory system’s macrophages and epithelia in particular contain significant concentrations of the enzyme that turns 25(OH)D3 into 1,25(OH)2D3
  • In addition, 19 out of 27 (70%) SARS-CoV-2 proteins have been discovered to function improperly in the presence of vitamin D.

Our health, and particularly a strong immune system, depend on vitamin D. Everyone must take precautions to prevent vitamin D insufficiency; sadly, the suggested level of 40-60 ng/ml (100-150 nmol/L) is not met by over 90% of US adults. Information like that in the Quinn et al. article, particularly in light of the ongoing COVID-19 pandemic, can only worsen the state of public health.