Chaga (Inonotus obliquus) is a highly prized mushroom long used in Russia. Chaga research has demonstrated antioxidant and immune supporting actions.Super Chaga was developed by Dr. Zhuang, PhD, one of the original researchers of the Chaga mushroom. This concentrated extract utilizes a proprietary hot water extraction of wildcrafted Birch tree-grown Chaga sclerotium from Siberia. Super Chaga contains 200 mg of high quality hot water Chaga extract. Maitake TD-Fraction and Vitamin C are added for additional immune enhancement.