Host Defense

Host Defence is an American company based in Shelton, WA that provides high quality natural mushroom supplements. All ingredients are carefully researched and sourced in-house to ensure consistent high quality.

All Host Defence products are free of gluten, binders, additives, fillers, artificial ingredients and chemicals. Host Defence products are based on scientific research. Each product contains natural ingredients such as herbs and botanicals, that are handpicked and carefully sourced and then manufactured in GMP facilities in the US, while tested for purity and efficacy by third parties.

Host Defence takes a scientific approach to its product line. Host Defence provides educational resources for the public that answers many frequently asked questions and aims to educate and improve wellness and quality of life.

Host Defence is built on Paul Stamets' visionary research into the power and potential of mushrooms, especially mushroom mycelium, the root-like structures found growing below ground. Since their launch in 2013, Host Defence has grown their product line and distribution, and is now available in a growing list of health stores in the US and abroad.

Host Defense is an American company based in Shelton, WA that provides high quality mushroom supplements.

  • High quality products
  • Free of gluten, binders, additives, artificial ingredients or chemicals
  • Based on scientific research

For more information, please visit

Contact: 1-800-780-9126

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