Much of what makes Hydroxychloroquine effective in combination with Zinc is believed to be its Zinc Ionophore capability. That is, the ability for Hydroxychloroquine to transport Zinc into cells and inhibit viral replication. Hinokitiol is also a Zinc Ionophore and was discovered in Japan in 1936. Hinokitiol is naturally occurring and draws its advantage from having low toxicity, hence, its wide inclusion in consumer oral care products. It is also an approved food additive in Japan, with 'Hinoki Clinical jp' selling Hinokitiol based products since 1956. Hydroxychloroquine requires a prescription, alternatively Hinokitiol can be purchased in consumer oral care products...