Shiitake Bulk PowderOur farm partners have been growing and extracting mushrooms for 40+ years and mushroom powders simply do not get any better then this. In addition to taking steps to ensure purity and a high constituent content, we are also concerned about providing mushroom products in which the constituents are in a bioavailable form. The main constituents of mushrooms, the 1,3 Beta Glucans, are tightly bound to the cell walls and have a low degree of