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Host Defense Mushrooms

Host Defense Mushrooms

Host Defense is more than a product line: they are on a myco-mission to spread the power of mushrooms supporting healthy lifestyles.

Grown in the USA

• Near the Olympic Rainforest, USA
• Highest quality lab & growing environments
• Highest quality manufacturing methods
• No co-mingling or adulteration
• Purity testing batch to batch

Certified Organic

Host Defense is a Certified Organic food producer and processor. Our organic certificates are always available upon request. We are the best-documented and longestcertified organic mushroom company in the U.S.

Peak Performance

Each mushroom species has a narrow window when active constituents are at their highest volume. With over 40 years of experience and knowledge, Paul knows the precise harvest time for each species for maximum activity and efficacy. 

At their optimal rate of growth, the mushroom-forming mycelium are flash-frozen, capturing a full spectrum of constituents at peak performance.

Recommended by Experts

Host Defense® products are chosen by physicians, naturopaths and other practitioners for efficacy with their patients.

Host Defense®, owned by mycologist and author Paul Stamets, is the best all around source for immunesupporting mushroom products and information.*” - Andrew Weil, M.D. 


Growing Gourmet & Medicinal Mushrooms by Paul Stamets


After years of living in awe of the mysterious fungi known as mushrooms-chefs, health enthusiasts, and home cooks alike can’t get enough of these rich, delicate morsels. With updated production techniques for home and commercial cultivation, detailed growth parameters for 31 mushroom species, a troubleshooting guide, and handy gardening tips, this revised and updated handbook will make your mycological landscapes the envy of the neighborhood.  

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Price : $44.95
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Mycelium Running: How Mushrooms Can Help Save The World by Paul Stamets

Unit Size: 356 pages

This book is a manual for the mycological rescue of the planet. Setting the stage for the mycorestoration revolution, Mycelium Running unveils new methods for growing mushrooms, generating mycelium, and implanting mushroom colonies into the environment. Capitalizing on the digestive power of mycelium, this pioneering book shows how to strengthen sustainability of habitats while providing a multitude of biological benefits.

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Price : $35.00
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MycoMedicinals: an Informational Treatise on Mushrooms by Paul Stamets

Unit Size: 96 Pages

Written by a mycologist and mushroom cultivator with more than 30 years of experience in the field, this full-color resource guide describes and documents the health benefits of 17 different species of mushrooms. Newly updated and expanded, MycoMedicinals includes answers to frequently asked questions and an extensive bibliography. 96 pages, softcover.  

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Price : $9.95
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