Natural Factors: Quercitin

Natural Factors: Quercitin. Natural Factors Quercetin 500 mg provides a concentrated source of the antioxidant quercetin, a potent bioflavonoid found in certain fruits, vegetables, and herbs. Quercetin is used in herbal medicine as a blood vessel protectant and supports cardiovascular and immune health. It is an effective supplement for adults who want to protect against oxidative stress and relieve seasonal allergies. Provides a source of antioxidants Used in herbal medicine as a blood vessel protectant for cardiovascular health Provides allergy relief and immune support Helps combat free radical damage and reactive oxygen species Protects against oxidative stress