Fu King saved.
>zinc ionophores
Quercetin (a supplement) and epigallocatechin-gallate (found in green tea) show ionophore activity. Not sure how they compare to hydroxychloroquine.
https://www.ncbi.nlm.nih.gov/pubmed/25050823
https://www.researchgate.net/publication/264127862_Zinc_Ionophore_Activity_of_Quercetin_and_Epigallocatechin-gallate_From_Hepa_1-6_Cells_to_a_Liposome_Model