The chaga mushroom grows on birch trees in cool, wooded areas in the northern hemisphere. It has been used medicinally in Siberia & Russia since the 16th century and found it's way to western culture in the late 1960's. It has the highest ORAC score (Oxygen Radical Absorption Capacity) ever recorded in natural food. This means it is an antioxidant superhero and antioxidants disarm the free-radicals in our cells that lead to wrinkles.