> I have been supplementing vitamin D and zinc since March '20, but I'm not sure that would have prevented antibody formation if I was infected.
First, there's no scientific basis for doing so. Unless your diet is deficient of zinc or you're spending months in an overcast winter environment neither is going to do anything for you. They certainly won't have any impact on antibody formation.
First, there's no scientific basis for doing so. Unless your diet is deficient of zinc or you're spending months in an overcast winter environment neither is going to do anything for you. They certainly won't have any impact on antibody formation.