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QUERCETIN for the Treatment of COVID-19. Quercetin is a multipotent bioflavonoid with great potential for the prevention and treatment of disease. Quercetin is said to be one of the most widely used bioflavonoids for the treatment of metabolic and inflammatory disorders. Quercetin glycosides are metabolized, absorbed, and circulated as types of conjugates in the blood. Thereafter, quercetin-3-O-β-D-glucuronide (Q3GA), a major metabolite of quercetin, is distributed throughout the body where it may exert beneficial functions in target tissues.
