[Cobra64]

Yup, Zinc seems to have a synergistic affect when taken with vitamin D3 too. Lots articles on the pair.

[NoLibZone]

I found this combination with the claim that it will prevent the S protein from binding to an E receptor which somehow prevents Covid from taking hold.

50 mg Zinc
500 mg Quercetin
1000 mg Vitamin C
5000 IU of Vitamin D3

In any event it’s over the counter and can’t hurt