Quercetin belongs to a group of plant pigments called flavonoids that give fruits, flowers, and vegetables their colors. Quercetin is a highly absorbable antioxidant and bioflavanoid known for its antioxidant and anti-inflammatory health benefits. As an antioxidant, Quercetin supports healthy immunity by preventing cell damage by free radicals. As an anti-inflammatory, Quercetin inhibits certain chemical pathways from generating inflammation. Research has also shown Quercetin to be a natural antihistamine, making it an essential supplement for those with seasonal allergies.