Host Defense Turkey Tail Organic Mushroom - Uses activated, freeze-dried, Certified Organic mushroom mycelium, with a full spectrum of constituents: polysaccharides (beta glucans, arabinoxylane, fucose, glucose, xylose, galactose and mannose), glycoproteins, ergosterols, triterpenoids and other myco-nutrients, which are essential for supporting natural immunity. Turkey Tail helps to support the immune system, digestive and gastrointestinal health.