Host Defense Mushrooms
Research-backed mushroom mycelium supplements for immune support. Mycologist founded, and based on scientifically validated data to ensure quality and consistency.
About Host Defense Mushrooms
Host Defense develops mushroom-based supplements for wellness-focused users seeking products grounded in mycological research and organic cultivation practices. Founded by mycologist Paul Stamets, Host Defense emphasizes connecting modern wellness with mushroom science.
Mushroom mycelium and fruit bodies are cultivated on a certified organic farm in Washington State, with non-GMO production standards and third-party testing for identity, contaminants, and purity.
Transparent sourcing and controlled growing practices support traceability from cultivation through finished formulation.
Fullscript Quality Guarantee
Fullscript develops direct 1:1 relationships with each brand partner to ensure they meet and maintain our industry leading quality standards. Every brand must provide proof of 3rd party cGMP certification, every year.
Top Products from Host Defense Mushrooms
Lions Mane (Hericium erinaceus)
Provides support to the brain and nervous system.*
Stamets 7® Daily Immune Support
Supports natural immunity.*
Mycommunity
Contains 17 powerful mushroom species.*
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