DUAL EXTRACTED CHAGA
Chaga has been used as a folk remedy in Russia and other North-European countries for centuries. Research on the health effects of obliquus has shown that extracts of it can hamper the growth of tumors as well as have positive effects on the immune system. Laboratory studies on extract of chaga mushroom has indicated possible future potential in cancer therapy as an antioxidant,in immunotherapy, and as an anti-inflammatory.
Powder is just simply grinding the chunks.  Its easier to use in my opinion and I put it directly in my smoothies.
1 - 2 tsp per cup