The publication “Association between vitamin D supplementation and COVID-19 infection and mortality“ published by Nature proves what I have been saying for years.

The authors showed that vitamin D3 was associated with a significant 33% decrease in mortality within 30-days of COVID-19 infection. The study also shows that people with a vitamin D3 bloodserum level of >40ng/mL do not have to fear anything.

Of course, this doesn’t only account for Covid but for any (respiratory) disease.

Cheers,
Dr. Simon @Goddek