Store policies & ways to save
About Host Defense. Host Defense is a mushroom supplement brand from Fungi Perfecti, the company mycologist Paul Stamets started in 1980. It sells mushroom mycelium supplements such as Turkey Tail, Lion's Mane, Agarikon and MyCommunity in capsules, extracts, powders, gummies and other formats, grown on the company's certified organic farm in Washington State.
Orders ship by USPS or UPS, with turnaround averaging three business days or less; UPS deliveries need a physical address. Direct purchases are covered by a 90-Day Satisfaction Guarantee: contact customer service for a replacement or refund within 90 days of delivery.