Customer Favourites
Lion’s Mane Mushroom Supplements
Welcome to Host Defense Mushrooms! Founded by Paul Stamets, our mushroom mycelium and fruit bodies grown on our certified organic farm in Washington State are non-GMO, vegan, and gluten-free. We base our formulations on scientifically proven data to ensure quality and safety.
A product of Fungi Perfecti, LLC. Building Better Health Since 1980.
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Why Host Defense?
Founded by Paul Stamets
Pioneered by world-renowned mycologist Paul Stamets to connect people with the power of fungi.
Powered by Mushroom Mycelium
The foundation of every Host Defense supplement and our mission.
Innovative Research & Development
Our in-house R&D team drives groundbreaking research in fungi and wellness.
Climate Positive Commitment
We offset 110 percent of our emissions to create a net positive impact for people and planet.
Exceptional Customer Support
Our friendly, knowledgeable team is here to help at every step.