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, which is why we are the best selling mushroom supplement brand in the U.S.ꝉ
A product of Fungi Perfecti, LLC. Building Better Health Since 1980.*
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