What is Quercetin? Quercetin is a flavonol and antioxidant which is found in plant foods, such as onions, broccoli, apples, red wine, tea and coffee. Yea, plants. Onions and garlic are rich sources of the potent anti-cancer bioflavonoid quercetin. Cooking onions does not destroy the effectiveness of quercetin. Health Benefits of Quercetin Benefits of quercetin: [...]
