l-Lysine is easy to obtain. https://journals.sagepub.com/doi/full/10.1177/2515690X211026193 >>The core supplementation formulations included zinc; zinc ionophores (quina plant bark extract and quercetin); vitamins C, D3 and E; and l-lysine. Sourcing for these components was, except as noted below, from a range of well-known manufacturers of name brand supplements. Conclusions. >>Offering a low cost, readily implemented anti-viral approach, the study regimen may serve, at the least, as a stopgap modality and, perhaps, as a useful tool in combatting the pandemic.