I don’t know how it specifically interacts with COVID-19, but most modern people are vitamin D deficient, it’s easy to supplement, and higher vitamin D levels than without supplementation seem to be correlated with better immune system function.
I don’t know how it specifically interacts with COVID-19, but most modern people are vitamin D deficient, it’s easy to supplement, and higher vitamin D levels than without supplementation seem to be correlated with better immune system function.