The Grifola frondosa, or maitake mushroom is a polypore that grows in northern temperate forests, and has a long history of medicinal use. … This mushroom is found on dead or dying trees or stumps, usually around the base.
Use of Maitake mushroom as an immune health optimizer has been popular in regions of the East, including Japan, China, and other countries, since ancient times. Modern scientific research has provided additional support for this mushroom s numerous health benefits, which has led to its acceptance in the West as a superior dietary supplement ingredient.