Natural Flavonoid Complex - In our Flavonoids Supplements you find some of the most powerful ingredients from bitter orange and grapefruit: Valuable Citrus Aurantium Extract with Bioflavonoids Antioxidant Supplement - Citrus Bioflavonoids are secondary metabolites found in plants. They possess valuable antioxidant properties that help fight free radicals in your body. Immune Support* - Bioflavonoids own the ability to support a healthy immune system response and to promote the maintenance of a healthy vascular system. Pure Plant - Many brands do not declare where they get the Flavonoids from. Our product contains only real plant extracts: 840mg bitter orange extract (Citrus aurantium extract) and 20mg grapefruit extract (Citrus paradisi extract) free from additives, vegan, gluten and lactose free. Sustainability - With love for our nature we develop and produce in Germany, according to the HACCP, GMP and ISO 9001 quality standards. Our products are vegan certified, gluten and lactose-free. Our amber glass bottle is fully recyclable.