Collection: Host Defense

#1 Best Selling Mushroom Supplement Brand in the U.S.

Host Defense offers high-quality, USDA organic mushroom supplements. Host Defense’s products are non-GMO, vegan, and gluten-free, made using scientifically proven data. Trust in their commitment to quality and safety for your health and wellness.

Host Defense® Mushrooms™ was founded by renowned mycologist Paul Stamets with the goal of building a bridge between people and fungi. They specialize in mushroom mycelium-based supplements to support natural immunity and whole body wellness. Based near the Olympic Rainforest in Washington state, Host Defense is one of the best-documented and longest-standing mushroom supplement companies in the USA.

Host Defense® Mushrooms™ began as a direct-to-store manufacturer of mushroom supplements more than 10 years ago. Today, they are the industry leader and the #1 best-selling mushroom supplement brand in the U.S. Host Defense’s continued mission is to explore, study, preserve, and spread knowledge about the use of fungi for helping bees, trees, people, and planet.

At Host Defense®, all of the product development and formulation is based on scientifically validated data to ensure the quality and efficacy of supplements. Mushroom mycelium and fruit bodies are grown on our farm in Washington state and are certified organic, non-GMO, vegan, and gluten-free. And all supplements are verified for identity, purity, composition, and strength by independent labs that use internationally recognized, validated testing methods.