On: Vitamin D insufficiency may account for almost 90% of Covid-19 deaths

[Markoff]

that is really bad joke

pretty much whole Europe and whole India is vitamin D deficient, if you check actual studies, so no, unless you spend whole day naked in sun you won't get anywhere close to sufficient amount

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6060930/#:~:tex....