Chaga (Inonotus obliquus)
Explore mushroom research and guides on chaga (inonotus obliquus).
What Is Chaga Mushroom? The King of Medicinal Mushrooms
Chaga (Inonotus obliquus) is a sterile sclerotium, not a mushroom, and three different materials are sold under its name. What chaga actually is, what's in it, and what the research does and doesn't show.
Why Chaga Isn't Technically a Mushroom: The Sclerotium Explained
The chaga sclerotium is 90% birch wood, not fungal tissue. That biology explains why wild-harvested products differ so dramatically from mycelium-based ones.