Description Organic Mushrooms Made with U.S. Grown Organic Mushrooms Promotes Reduction of Free Radicals Dietary Supplement Certified Organic by the Washington State Department of Agriculture Non GMO Project Verified Host Defense Mesima uses activated, freeze-dried, Certified Organic mycelium, with a full spectrum of constituents: polysaccharides (beta glucans, arabinoxylane, glucose, xylose, galactose and mannose), glycoproteins, ergosterols, triterpenoids and other myco-nutrients, which are essential for supporting Natural Immunity.