HEALTH NEWS

Study Title:

The effect of quercetin on the prevention or treatment of COVID-19 and other respiratory tract infections in humans: A rapid review

Study Abstract

Brief overview: There is currently insufficient evidence to recommend quercetin supplementation as a therapy for the treatment or prevention of COVID-19. Three human clinical trials with low risk of bias suggest that oral quercetin may have a beneficial effect on the incidence and duration of respiratory tract infections in certain populations; however, further research is needed.

Verdict: Current evidence on the efficacy of quercetin supplementation in the treatment and prevention of COVID-19 is insufficient for its clinical recommendation at this time. Quercetin exhibits both immunomodulatory and antimicrobial effects in preclinical studies; however, only three human clinical trials, each with a low risk of bias rating, were identified in this rapid review. One study reported a decrease in incidence of upper respiratory tract infections following a competitive athletic event. A larger community clinical trial reported a benefit in older, athletic adults only.

Study Information

Adv Integr Med. 2020 Dec;7(4):247-251. doi: 10.1016/j.aimed.2020.07.007. Epub 2020 Jul 30. PMID: 32837891; PMCID: PMC7392107.

Full Study

https://pubmed.ncbi.nlm.nih.gov/32837891/
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