Natural products show promise against COVID-19 via iron chelation

Researchers at the University of Catania in Italy investigated whether natural compounds could prevent disease progression. Their study published in the Journal of Clinical Medicine found that iron chelators and protease inhibitors can counteract SARS-CoV-2 infection.

Quercetin is the most abundant dietary flavonoid, found enriched in cranberry, onions, blueberry, apples, and tea. As a polyphenol compound, it is considered a potent iron chelator.

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