Chaga is a rare mushroom that grows in North cold climates around the world, and they do grow in Ontario. First Nations have been using them for thousands of years as a medicinal mushroom. Only roughly 1 in 10,000 birch trees with produce one. They do grow on other tree’s however all the research studies are done with Chaga from birch. We; sustainably hand harvest, cure, process and package our products. To see some of the over thousand usage studies on Chaga review our website to fine a couple general one. Ours is a family business that has been working with Chaga for over 7 years and well over 3,000 hours of research into Chaga. --