Discover how this powerful plant compound may help change cancer pathways, reduce histamine overload, and support your body’s immune resilience—backed by peer-reviewed science.

Researched and written by Keith Bishop, Clinical Nutritionist, Cancer Coach, Retired Pharmacist, and Founder of Prevail Over Cancer.

Quercetin is a plant-derived flavonol found in many fruits, vegetables, and herbs. Known for its potent antioxidant, anti-inflammatory, antihistamine, and anticancer properties, it’s emerging as a key player in integrative oncology and immune modulation.

If you’re navigating cancer—whether newly diagnosed, in treatment, or in recovery—you’ve likely heard about antioxidants and immune support. But one compound stands out: quercetin, a flavonoid found in everyday foods like onions, apples, and broccoli. Emerging research suggests quercetin may help regulate inflammation, stabilize histamine levels, and even influence cancer-related pathways like apoptosis and angiogenesis. In this...