https://articles.mercola.com/sites/articles/archive/2021/12/27/quercetin-an-alternative-to-hydroxychloroquine.aspx?ui=578ac55286a02910a095ccc101b49837c664513061fc0578215a877839cb59af&sd=20210924&cid_source=dnl&cid_medium=email&cid_content=art1ReadMore&cid=20211227&mid=DM1075981&rid=1362690593 STORY AT-A-GLANCE Quercetin works much like hydroxychloroquine, a drug found to be effective against SARS-CoV-2 when used early enough. Both are zinc ionophores, meaning they shuttle antiviral zinc into your cells The Front Line Critical COVID-19 Care Alliance’s early treatment protocol includes quercetin at a dose of 250 milligrams twice a day, in combination with 100 mg elemental zinc and 500 mg to 1,000 mg of vitamin C twice a day Quercetin also has other mechanisms of action that make it useful in the fight against COVID-19. For example, it may inhibit SARS-CoV-2 spike protein to ACE2 receptor docking. By binding to the ACE2 receptor and the spike protein interface, quercetin inhibits viral attachment and entry into the cell Quercetin also modulates NLRP3 inflammasome, an immune system component involved in the uncontrolled release of proinflammatory cytokines that occurs during a cytokine storm Quercetin-rich foods include onions and shallots, apples, broccoli, asparagus, green peppers, tomatoes, red leaf lettuce, strawberries, raspberries, blueberries, cranberries, black currants and green te