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
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.
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.
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.