One bag holds 100 grams of chaga chunks. Chaga is a parasitic fungus that grows off of birch trees. This is a medicinal, rather than a culinary mushroom. It is popular for its antioxidant properties that can be used to help neutralize harmful free radicals and regulate the immune system. Due to its ability to neutralize free radicals, there are ongoing studies investigating the role it could play in preventing and treating various cancers. There are several ways to consume chaga, but most consume it as tea. If you wish to extract all the medical properties, it is important to boil it for 3-4 hours before consuming. The taste of chaga is earthy and relatively neutral. It’s energizing properties make it an excellent substitute for coffee-lovers who are trying to kick the caffeine.