Fungi Perfecti is proud to offer our customers the finest mushroom products available today. Founder Paul Stamets, author of the definitive text Growing Gourmet & Medicinal Mushrooms, has pioneered the cultivation of many unique strains of fungi. Each mushroom species collected by Paul 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. All of our Host Defense products are Certified Organic by the Washington State Department of Agriculture. They are 100% made in the USA, cultivated under strictly controlled laboratory conditions at our facility here in Washington State, supervised by Paul Stamets and his skilled staff. We have a verifiable chain-of-custody that is critical for traceability (many companies do not). By buying from Fungi Perfecti you can be assured that you are getting a bona-fide product of the highest quality. From the Forest, to our Farm, to You™.