Quercetin BioflavonoidsQuercetin is an antioxidant bioflavonoid found throughout the plant kingdom in rinds and barks. Food sources include onions, red wine, green tea and St. Johns wort. Our quercetin is derived from a non citrus, hypoallergenic plant source, the pods of the Brazilian Fava dAnta tree (Dimorphandra mollis). Quercetin 300 provides high potency quercetin, with additional stabilising antioxidants to prevent auto oxidisation (spontaneous degradation). We use