Immune Systems Advisor

As of July 2022, there have been 9 published studies of quercetin and COVID-19 ( c19quercetin.com ). Quercetin is also no. 1 in this prevention studies league table: What is Quercetin? Quercetin  is a pigment that is found in plants, vegetables, and fruits, and serves as an immune nutrient offering many health benefits. Elderberry, red onions, white onions and cranberries are the richest sources of quercetin. It is a flavonoid and antioxidant that may help to reduce inflammatory cytokines, infections, allergies and  anti-blood clot property . Research has found that quercetin may be particularly beneficial for viral respiratory infections.  This is definitely one nutrient you can consider seriously to add to the growing number of strategies you can use to treat or prevent COVID-19. Can Quercetin Reduce Hospitalizations and Deaths? In one early treatm...