Eastern Europe's most esteemed mushroom is now available to you with our new Swanson Premium Full Spectrum® Chaga Mushroom supplement. The chaga mushroom grows on birch trees primarily in Russia and Eastern Europe, where it has been used as a natural health solution for hundreds of years. It is a natural source of antioxidants. Our Full Spectrum Chaga Mushroom capsules feature all-natural whole chaga powder. They can be taken as a capsule or opened into hot water to create a tea infusion similar to the traditional method of use in Eastern Europe.