About: Isatis is a bitter, astringent herb that has been used in Chinese Herbal Medicine for centuries as a broad-spectrum anti-infective support for multiple microbial and toxic conditions with heat. Contains: Isatis leaf and Isatis root (Isatis indigotica) in 50% certified organic non-GMO cane alcohol and pure Adirondack water. Safety considerations: Isatis is cold in nature and can cause a deep chill with overuse. It is recommended to not take Isatis for longer than 3 weeks. Not to be used with intestinal cold deficiency, in pregnancy or breastfeeding. If you are using pharmaceuticals, please consult with your health care provider before taking herbs. Origin: Leaf: USA Root: China Recommended Dosage: 30-60 drops OR 1/4-1/2 tsp, 3 times per day in juice or water. Not Recommended for children 6 years old or younger. For more information on Children dosages, please visit the FAQ page. *Please note our recommended dosage may differ from other sources. *This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.