Host Defense MyCommunity contains activated, freeze-dried, certified organic mycelium and fruitbodies, providing a complex array of synergistic constituents: a full spectrum of polysaccharides (beta glucans, arabinoxylanes, glucose, xylose, galactose and cordycepic acid), glycoproteins, ergosterols, triterpenoids and other myco-nutrients, which are essential for supporting natural immunity. The SourceEach mushroom species collected by Paul Stamets from the old growth forests of the Pacific Northwest is sustainably harvested. The ecosystem remains intact and unharmed. We carefully culture the mycelium for the Host Defense products on the Fungi Perfecti Farm in a way that maintains the lowest P Value possible. This creates identical genetic matches to the mycelium found in their native habitats, ensuring the provenance and genetic vitality of each strain. Our chain-of-custody guarantees the efficacy and viability of the species in the Host Defense line: from the forest, to our farm, to you. Host Defense MyCommunityMyCommunity is a synergistic blend of 17 mushroom species. Recently renamed, MyCommunity is the 17 species Host Defense formula originally created by Paul Stametsthe most comprehensive formula for Supporting natural immunity produced by Fungi Perfecti.