Quercetin — An Alternative to Hydroxychloroquine, and More

Analysis by Dr. Joseph Mercola

December 26, 2021

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 tea

 

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