Quercetin supplementation and upper respiratory tract infection: A randomized community clinical trial

• Published in: Pharmacological research Vol. 62; no. 3; pp. 237 - 242
• Main Authors: Heinz, Serena A., Henson, Dru A., Austin, Melanie D., Jin, Fuxia, Nieman, David C.
• Format: Journal Article
• Language: English
• Published: Netherlands Elsevier Ltd 01.09.2010
• Subjects: Adolescent; Adult; Age; Aged; Aged, 80 and over; Anti-Bacterial Agents - blood; Anti-Bacterial Agents - therapeutic use; Female; Flavonoid; Humans; Male; Middle Aged; Placebos - administration & dosage; Placebos - therapeutic use; Quercetin - blood; Quercetin - therapeutic use; Quercetin supplementation; Respiratory Tract Infections - drug therapy; Upper respiratory tract infection; Young Adult; URTI; WURSS; Upper respiratory tract infection; SARS-CoV; Quercetin supplementation; Flavonoid; BMI

Quercetin in culture with target cells and pathogens exerts anti-pathogenic activities against a wide variety of viruses and bacteria. A few small-scale human quercetin supplementation studies have produced conflicting results regarding quercetin's effects on upper respiratory tract infection r...