Best Naturals, Quercetin, 120 Vegetarian Capsules (500 mg per Capsule)

Premium Formula GMP Product - Good Manufacturing Practice Product 3rd Party Lab Tested Dietary Supplement Sodium Free Quercetin is a flavonol (a subclass of flavonoids) and is an effective antioxidant, providing cardiovascular support & antioxidant support. Certain research publications indicate that Quercetin may help support the following: Supports healthy histamine level. Supports healthy immune system. Supports circulatory health.