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.
Agarikon Capsules - 60 Count
Bio-digestible and bio-available; made from activated mycelium, not from indigestible fruitbodies and spores
Agarikon Capsules - 60 Count (EXPIRES 04-04-2025)
Bio-digestible and bio-available; made from activated mycelium, not from indigestible fruitbodies and spores
Product Expires: 04-04-2025
Breathe Capsules - 30 Capsules
Host Defense Breathe uses activated, freeze-dried, Certified Organic mycelium, with a full spectrum of constituents: polysaccharides (beta glucans, arabinoxylane, glucose, xylose, galactose, cordycepic acid), cordycepin, glycoproteins, ergosterols, triterpenoids and other myco-nutrients, which are essential for Supporting Natural Immunity.*
Breathe Capsules - 60 count
Host Defense Breathe uses activated, freeze-dried, Certified Organic mycelium, with a full spectrum of constituents: polysaccharides (beta glucans, arabinoxylane, glucose, xylose, galactose, cordycepic acid), cordycepin, glycoproteins, ergosterols, triterpenoids and other myco-nutrients, which are essential for Supporting Natural Immunity.*
Breathe Extract - 1 Fluid Oz.
Host Defense BREATHE is a complementary blend of Chaga, Reishi and Cordyceps. Chaga is well known in Eastern Europe and Siberia for its support of skin and lung functioning. Reishi has been used for centuries in China to support breathing, cardiovascular system and endurance.* Cordyceps has long been celebrated in Asia as a lung tonic and for energy support. Together, they strengthen respiratory function in normal, healthy individuals.*
Breathe Extract - 2 Fluid Oz.
Host Defense BREATHE is a complementary blend of Chaga, Reishi and Cordyceps. Chaga is well known in Eastern Europe and Siberia for its support of skin and lung functioning. Reishi has been used for centuries in China to support breathing, cardiovascular system and endurance.* Cordyceps has long been celebrated in Asia as a lung tonic and for energy support. Together, they strengthen respiratory function in normal, healthy individuals.*
Chaga Capsules - 60 count
Embraced by Eurasians for centuries and found throughout boreal forests, Chaga grows primarily on birch trees. Studied and treasured worldwide for its health-enhancing and antioxidant properties, Chaga is a unique species, and the focus of recent and ongoing scientific research.
Chaga Extract - 1 Fluid Oz.
Embraced by Eurasians for centuries and found throughout boreal forests, Chaga grows primarily on birch trees. Studied and treasured worldwide for its health-enhancing and antioxidant properties, Chaga is a unique species, and the focus of recent and ongoing scientific research.
Chaga Extract - 2 Fluid Oz.
Embraced by Eurasians for centuries and found throughout boreal forests, Chaga grows primarily on birch trees. Studied and treasured worldwide for its health-enhancing and antioxidant properties, Chaga is a unique species, and the focus of recent and ongoing scientific research.
Cordyceps Capsules - 120 count
Supports energy, stamina, and endurance.*
Sale Ends: 03-15-2025
Cordyceps Capsules - 30 count
Cordyceps has been traditionally used in Asia for strenuous, high altitude activities and as an immune tonic. Recently, professional athletes and fitness enthusiasts have discovered that Cordyceps may support increased oxygen uptake and higher endurance levels*. People have also found that Cordyceps supports healthy sexual functioning.*
Cordyceps Capsules - 60 count
Cordyceps has been traditionally used in Asia for strenuous, high altitude activities and as an immune tonic. Recently, professional athletes and fitness enthusiasts have discovered that Cordyceps may support increased oxygen uptake and higher endurance levels*. People have also found that Cordyceps supports healthy sexual functioning.*
Cordyceps Extract - 1 Fluid Oz.
Cordyceps has been traditionally used in Asia for strenuous, high altitude activities and as an immune tonic. Recently, professional athletes and fitness enthusiasts have discovered that Cordyceps may support increased oxygen uptake and higher endurance levels*. People have also found that Cordyceps supports healthy sexual functioning.*
Cordyceps Extract - 2 Fluid Oz.
Cordyceps has been traditionally used in Asia for strenuous, high altitude activities and as an immune tonic. Recently, professional athletes and fitness enthusiasts have discovered that Cordyceps may support increased oxygen uptake and higher endurance levels*. People have also found that Cordyceps supports healthy sexual functioning.*
Cordyceps Powder (Dong Chong Xia Cao)
Cordyceps (Cordyceps militaris) has been traditionally used in Asia for strenuous, high altitude activities and as an immune tonic. Physical fitness enthusiasts and professional athletes have discovered that Cordyceps may have the effect of increased oxygen uptake, supporting higher endurance levels.* People have also found that Cordyceps supports healthy sexual functioning.*
CordyChi Capsules - 120 count
A uniquely balanced blend of Cordyceps and Reishi, CordyChi brings the benefit of supporting energy and oxygen uptake with cellular nutrients.* Adults with active lifestyles and those who seek balance in a stressful world will breathe easy with CordyChi.*
CordyChi Capsules - 30 count
A uniquely balanced blend of Cordyceps and Reishi, CordyChi brings the benefit of supporting energy and oxygen uptake with cellular nutrients.* Adults with active lifestyles and those who seek balance in a stressful world will breathe easy with CordyChi.*
CordyChi Capsules - 60 count
A uniquely balanced blend of Cordyceps and Reishi.
CordyChi Extract - 1 Fluid Oz.
A uniquely balanced blend of Cordyceps and Reishi, CordyChi brings the benefit of supporting energy and oxygen uptake with cellular nutrients.* Adults with active lifestyles and those who seek balance in a stressful world will breathe easy with CordyChi.*
CordyChi Extract - 2 Fluid Oz.
A uniquely balanced blend of Cordyceps and Reishi, CordyChi brings the benefit of supporting energy and oxygen uptake with cellular nutrients.* Adults with active lifestyles and those who seek balance in a stressful world will breathe easy with CordyChi.*
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.
Health Benefits of Mushrooms Brochure Download
Brochure Download
Host Defense Product Guide (FREE consumer catalog)
One per customer limit
Lion's Mane Capsules - 120 count
This beautiful species, appearing as a white waterfall of cascading icicles, is found on broad leaf trees and logs. The subject of recent studies, Lion’s Mane is renowned for providing support to the brain and nervous system.*
Lion's Mane Capsules - 30 count
This beautiful species, appearing as a white waterfall of cascading icicles, is found on broad leaf trees and logs. The subject of recent studies, Lion’s Mane is renowned for providing support to the brain and nervous system.*
Lion's Mane Capsules - 60 count
This beautiful species, appearing as a white waterfall of cascading icicles, is found on broad leaf trees and logs. The subject of recent studies, Lion’s Mane is renowned for providing support to the brain and nervous system.*
Lion's Mane Extract - 1 Fluid Oz.
This beautiful species, appearing as a white waterfall of cascading icicles, is found on broad leaf trees and logs. The subject of recent studies, Lion’s Mane is renowned for providing support to the brain and nervous system.*
Lion's Mane Extract - 2 Fluid Oz.
This beautiful species, appearing as a white waterfall of cascading icicles, is found on broad leaf trees and logs. The subject of recent studies, Lion’s Mane is renowned for providing support to the brain and nervous system.*
Lion's Mane Powder (Hou Tou Gu), 100g
This beautiful species, appearing as a white waterfall of cascading icicles, is found on broad leaf trees and logs. The subject of recent studies, Lion’s Mane (Hericium erinaceus) is renowned for providing support to the brain and nervous system.*
Lion's Mane Powder (Hou Tou Gu), 200g
This beautiful species, appearing as a white waterfall of cascading icicles, is found on broad leaf trees and logs. The subject of recent studies, Lion’s Mane (Hericium erinaceus) is renowned for providing support to the brain and nervous system.*
Maitake Capsules - 120 count
Found growing in temperate hardwood forests, Maitake has been the subject of studies worldwide and is known for supporting normal cell growth.* Rich in 1,3, 1,4 and 1,6 beta-D glucans, Maitake is a delicious, edible species, with a long history of traditional use.
Maitake Capsules - 60 count
Found growing in temperate hardwood forests, Maitake has been the subject of studies worldwide and is known for supporting normal cell growth.* Rich in 1,3, 1,4 and 1,6 beta-D glucans, Maitake is a delicious, edible species, with a long history of traditional use.
Maitake Extract - 1 Fluid Oz.
Found growing in temperate hardwood forests, Maitake has been the subject of studies worldwide and is known for supporting normal cell growth.* Rich in 1,3, 1,4 and 1,6 beta-D glucans, Maitake is a delicious, edible species, with a long history of traditional use.
Maitake Extract - 2 Fluid Oz.
Found growing in temperate hardwood forests, Maitake has been the subject of studies worldwide and is known for supporting normal cell growth.* Rich in 1,3, 1,4 and 1,6 beta-D glucans, Maitake is a delicious, edible species, with a long history of traditional use.
Maitake Extract - 2 Fluid Oz. (EXPIRES 04-19-2025)
Found growing in temperate hardwood forests, Maitake has been the subject of studies worldwide and is known for supporting normal cell growth.* Rich in 1,3, 1,4 and 1,6 beta-D glucans, Maitake is a delicious, edible species, with a long history of traditional use.
Product Expires: 04-19-2025
Mesima Capsules - 60 count
The Mesima mushroom (Phellinus linteus) is increasingly drawing the attention of researchers for its immunologically enhancing properties*. Each capsule contains 500mg of freeze-dried Mesima mycelium.
Mushroom Playing Cards
These beautiful full-color playing cards depict a series of gourmet (Clubs), medicinal (Hearts), poisonous (Spades) and psychoactive (Diamonds) mushroom species
Mycelium Running: How Mushrooms Can Help Save The World by Paul Stamets
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.
MycoBotanicals Blood Sugar - 60 count
MycoBotanicals® Blood Sugar is a blend of mushrooms and herbs specifically designed to maintain blood sugar levels already within normal range.*
MycoBotanicals Brain & Body Powder
MycoBotanicals® combine two complementary strategies to offer an expanded spectrum of benefits tailored to your needs. Experience the system-specific support of each new MycoBotanicals formula!*
MycoBotanicals Brain - 60 count
MycoBotanicals™ Brain is a blend of mushrooms and herbs specifically designed to support the brain and nervous system.*
MycoBotanicals Brain Energy Powder
MycoBotanicals® combine two complementary strategies to offer an expanded spectrum of benefits tailored to your needs. Experience the system-specific support of each new MycoBotanicals formula!*
MycoBotanicals Immune Powder, 100g
MycoBotanicals® Immune* combines a unique blend of immune-supporting mushroom mycelium and herbs. Targeted support to boost and maintain optimal immune function; use daily for best results.*
MycoBotanicals Liver - 60 count
MycoBotanicals Liver formula provides a custom combination of mushrooms and herbs to assist the optimization of liver function and health.*
MycoBotanicals Stress Decompress - 60 count
MycoBotanicals® Stress Decompress™ formula provides a custom combination of mushrooms and herbs to promote natural calm and tranquility*
MycoBrew Cocoa Drink
A superfood blend of organic Lion’s Mane and fair trade cocoa, this delicious, chocolaty-tasting blend is sweetened with coconut sugar and has subtle hints of toffee. Settle in with a hot mug and top with marshmallows for a timeless treat.
MycoBrew Coffee Drink
An energizing blend of organic Lion’s Mane and 100% Arabica instant coffee. This instant coffee is the perfect upgrade to your morning routine or a revitalizing midday respite. Enjoy hot or cold!
MycoBrew Matcha Drink
An uplifting blend of organic Lion’s Mane and shade-grown, finely ground Japanese matcha. For a modern-day spin on an ancestral infusion, mix this smooth, vibrant tea blend with your favorite milk.
MycoBrew Mocha Drink
Combines organic Lion’s Mane, 100% Arabica instant coffee, and fair trade cocoa. Sweetened with coconut sugar, this delicious, balanced blend has notes of toffee. Top with whipped cream and make your morning anything but routine!
MycoMedicinals: an Informational Treatise on Mushrooms by Paul Stamets
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.
MyCommunity Capsules - 120 count
MyCommunity is the 17-Species Multi Mushroom Complex originally created by Paul Stamets—a comprehensive Host Defense formula for Supporting Natural Immunity.*
MyCommunity Capsules - 30 count
MyCommunity is the 17-Species Multi Mushroom Complex originally created by Paul Stamets—a comprehensive Host Defense formula for Supporting Natural Immunity.*
MyCommunity Capsules - 60 count
MyCommunity is the 17-Species Multi Mushroom Complex originally created by Paul Stamets—a comprehensive Host Defense formula for Supporting Natural Immunity.*
MyCommunity Extract - 1 Fluid Oz.
MyCommunity is the 17-Species Multi Mushroom Complex originally created by Paul Stamets—a comprehensive Host Defense formula for Supporting Natural Immunity.*
MyCommunity Extract - 2 Fluid Oz.
MyCommunity is the 17-Species Multi Mushroom Complex originally created by Paul Stamets—a comprehensive Host Defense formula for Supporting Natural Immunity.*
MyCommunity Extract - 4 Fluid Oz.
MyCommunity is the 17-Species Multi Mushroom Complex originally created by Paul Stamets—a comprehensive Host Defense formula for Supporting Natural Immunity.*
MyCommunity Powder - 100g
MyCommunity is the 17-Species Multi Mushroom Complex originally created by Paul Stamets—a comprehensive Host Defense formula for Supporting Natural Immunity.*
MycoShield Spray - Cinnamon - 1 Fluid Oz.
Host Defense MycoShield spray combines five powerful polypore mushroom species: Agarikon, Red Reishi, Chaga, Birch Polypore and Turkey Tail. These five mushrooms provide a unique “shield” of immune support*, available in a perfect traveler’s size.
MycoShield Spray - Cinnamon - 2 Fluid Oz.
Host Defense MycoShield spray combines five powerful polypore mushroom species: Agarikon, Red Reishi, Chaga, Birch Polypore and Turkey Tail. These five mushrooms provide a unique “shield” of immune support*, available in a perfect traveler’s size.
MycoShield Spray - Licorice Root - 1 Fluid Oz.
Host Defense MycoShield spray combines five powerful polypore mushroom species: Agarikon, Red Reishi, Chaga, Birch Polypore and Turkey Tail. These five mushrooms provide a unique “shield” of immune support*, available in a perfect traveler’s size.
MycoShield Spray - Peppermint - 1 Fluid Oz.
Host Defense MycoShield spray combines five powerful polypore mushroom species: Agarikon, Red Reishi, Chaga, Birch Polypore and Turkey Tail. These five mushrooms provide a unique “shield” of immune support*, available in a perfect traveler’s size.
MycoShield Spray - Peppermint - 2 Fluid Oz.
Host Defense MycoShield spray combines five powerful polypore mushroom species: Agarikon, Red Reishi, Chaga, Birch Polypore and Turkey Tail. These five mushrooms provide a unique “shield” of immune support*, available in a perfect traveler’s size.
Reishi Capsules - 120 count
Used for more than two millennia in Asia, Reishi has been respectfully called the “mushroom of immortality.” Reishi grows throughout the world, primarily on hardwood trees, and is well known for supporting generalwellness and vitality.*
Reishi Capsules - 30 count
Used for more than two millennia in Asia, Reishi has been respectfully called the “mushroom of immortality.” Reishi grows throughout the world, primarily on hardwood trees, and is well known for supporting generalwellness and vitality.*
Reishi Capsules - 60 count
Used for more than two millennia in Asia, Reishi has been respectfully called the “mushroom of immortality.” Reishi grows throughout the world, primarily on hardwood trees, and is well known for supporting generalwellness and vitality.*
Reishi Extract - 1 Fluid Oz.
Used for more than two millennia in Asia, Reishi has been respectfully called the “mushroom of immortality.” Reishi grows throughout the world, primarily on hardwood trees, and is well known for supporting generalwellness and vitality.*
Reishi Extract - 2 Fluid Oz.
Used for more than two millennia in Asia, Reishi has been respectfully called the “mushroom of immortality.” Reishi grows throughout the world, primarily on hardwood trees, and is well known for supporting generalwellness and vitality.*
Reishi Powder (Ling Zhi)
Ganoderma calms the spirit while augmenting the qi and nourishing the blood. - Bensky
Shiitake Extract - 2 Fluid Oz.
Native to the Far East, Shiitakes (Lentinula edodes) are among the most widely recognized gourmet mushrooms. They are prized by health practitioners for their unique protein-free polysaccharides, believed to be instrumental in Supporting Natural Immunity in those who consume them.*
Stamets 7 Capsules - 120 count
Paul Stamets designed this blend of seven mushroom species to support general immunity.* Many use Stamets 7 as a functional food multiple for maintaining peak performance and health.*
Stamets 7 Capsules - 30 count
Paul Stamets designed this blend of seven mushroom species to support general immunity.* Many use Stamets 7 as a functional food multiple for maintaining peak performance and health.*
Stamets 7 Capsules - 60 count
Paul Stamets designed this blend of seven mushroom species to support general immunity.* Many use Stamets 7 as a functional food multiple for maintaining peak performance and health.*
Stamets 7 Extract - 1 Fluid Oz.
Paul Stamets designed this blend of seven mushroom species to support general immunity.* Many use Stamets 7 as a functional food multiple for maintaining peak performance and health.*
Stamets 7 Extract - 2 Fluid Oz.
Paul Stamets designed this blend of seven mushroom species to support general immunity.* Many use Stamets 7 as a functional food multiple for maintaining peak performance and health.*
Stamets 7 Powder
Daily overall immune support*
Turkey Tail Capsules - 120 count
Predominant in woodlands throughout the world, Turkey Tail is one of the best-documented mushrooms in scientific research. With a wide spectrum of beneficial properties, Turkey Tail shows much promise in supporting the immune system with its protein-bound and unique polysaccharides.*
Turkey Tail Capsules - 60 count
Predominant in woodlands throughout the world, Turkey Tail is one of the best-documented mushrooms in scientific research. With a wide spectrum of beneficial properties, Turkey Tail shows much promise in supporting the immune system with its protein-bound and unique polysaccharides.*
Turkey Tail Extract - 1oz
Predominant in woodlands throughout the world, Turkey Tail is one of the best-documented mushrooms in scientific research. With a wide spectrum of beneficial properties, Turkey Tail shows much promise in supporting the immune system with its protein-bound and unique polysaccharides.*
Turkey Tail Extract - 2 Fluid Oz.
Predominant in woodlands throughout the world, Turkey Tail is one of the best-documented mushrooms in scientific research. With a wide spectrum of beneficial properties, Turkey Tail shows much promise in supporting the immune system with its protein-bound and unique polysaccharides.*
Turkey Tail Powder (Yun Zhi)
Predominant in woodlands throughout the world, Turkey Tail (Trametes versicolor) is one of the best-documented mushrooms in scientific research. With a wide spectrum of beneficial properties, Turkey Tail shows much promise in supporting the immune system with its protein-bound and unique polysaccharides.*