Host Defense, Turkey Tail Mushroom Mycelium Powder, 100 GProduct Description Predominant in woodlands throughout the world, Turkey Tail (Trametes versicolor) is one of the best documented mushrooms in scientific research. With a wide spectrum of beneficial properties, Turkey Tail shows much promise in supporting the immune system with its protein bound and unique polysaccharides.* Product Benefits Made from freeze dried activated mushroom mycelium. Turkey Tail is an excellent source of cellular nutrients*