Source: LewRockwell.com
At this point, there is simply no question that vitamin D optimization is a crucial component of COVID-19 prevention and treatment. In addition to the many studies published during 2020 and 2021, since December 2021, four large systematic meta-analyses1,2 have been published, looking at either vitamin D levels, supplementation or both.
In all cases, the data consistently show that low vitamin D levels raises your risk of COVID while higher baseline levels and/or supplementation lowers all risks by 1.5 to three times….