Is the wild, raw chaga mushroom concentrate harvested from wild birch trees. Fortified with wild white birch bark it is a potent source of antioxidants. Chaga mushroom contains many beneficial active compounds such as sterols, polyphenols, betulin, and betulinic acid, the benefits of which are well published. Chag-o-Charge is a source for vital trace minerals such as copper, iron, and potassium, as well as B vitamins. It is also a top source of antioxidant enzymes, especially SOD (superoxide dismutase). Chaga has the highest ORAC and SOD levels of any mushroom and has been used for centuries.