... occurring citrus bioflavonoids include apigenin, hesperidin, naringin, tangeritin and rutin. They should be taken in conjunction with Vitamin ... Bioflavonoids1. Citrus bioflavonoids are used for antioxidant. Rutin and quercetin are thestrongest flavonoid anti-oxidants.2. Citrus ... :2000, ISO14001:2004, NSF cGMP, Kosher, HALAL, HACCP and Chinese Health Food GMP, etc.4. Our purpose: provide you product ...