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Host Defense® Mushrooms

Fungi Perfecti and founder Paul Stamets—mycologist and author of six books on mushroom cultivation and identification, including the definitive text Growing Gourmet & Medicinal Mushrooms—are proud to offer our customers the finest mushroom supplements available today.

Fungi Perfecti and founder Paul Stamets—mycologist and author of six books on mushroom cultivation and identification, including the definitive text Growing Gourmet & Medicinal Mushrooms—are proud to offer our customers the finest mushroom supplements available today.

Learn more about Host Defense® Mushrooms +

By buying from Fungi Perfecti you can be assured that you are getting a bona-fide product of the highest quality.

  • Direct from the source, 100% grown and processed in the USA
  • Certified Organic by the Washington State Department of Agriculture
  • Free of Genetically Modified Organisms (GMOs), pesticides and other contaminants
  • Backed by scientific research
  • Sustainably cultivated under strictly controlled laboratory conditions
  • Backed by the Stamets P Value® System
Each mushroom species collected by Paul from the old growth forests of the Pacific Northwest is sustainably harvested by taking a small sample of tissue with which to generate a master culture. The ecosystem and its mushrooms remain intact and unharmed. We then carefully culture this mycelium for the Host Defense products under strictly controlled laboratory conditions at our facility here in Washington State, supervised by Paul Stamets and his skilled staff.

Fungi Perfecti grows and maintains its cultures using the Stamets P Value® system for quality assurance. The proprietary P Value system ensures the provenance and genetic vitality of each mushroom strain we use. Our verifiable chain-of-custody guarantees the efficacy and viability of the species in the Host Defense line.

A Note to Our Loyal Canadian Shoppers

Due to Canadian shipping restrictions and an increase in International shipping rates we ask that you please purchase all Host Defense supplements locally through a store or an online Canadian retailer. Our easy to use store locator now includes Canadian businesses! Two online options for Canadian registered product are: Vitasave.ca and Well.ca You can reach our Canadian distributor Tall Grass Toll Free at 1-800-616-5900 or by emailing info@tallgrass.ca for further information.

Which is the Right Formula for Seasonal Wellness*?

Maintenance Support Proactive Support High-Intensity Support
Stamets 7® Capsules - Host Defense Mushrooms

Stamets 7® Capsules

from $19.95

Benefits Daily overall immune support* Promotes respiratory, digestive, circulatory, cellular, lymphatic and systemic functions for foundational ...

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from $19.95
Turkey Tail Capsules - Host Defense Mushrooms

Turkey Tail Capsules

from $31.95

Benefits Turkey Tail is an excellent source of cellular nutrients* In a recent clinical study funded by the National Institutes of Health, Host D...

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from $31.95
MyCommunity® Capsules

MyCommunity® Capsules

from $19.95

Benefits A blend of 17 potent mushroom species The most comprehensive immune support formula in the Host Defense line* Encourages resistance to ce...

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from $19.95
Host Defense® Stamets 7 Powder

Stamets 7® Powder

$29.95

Benefits Daily overall immune support* Promotes respiratory, digestive, circulatory, cellular, lymphatic and systemic functions for foundational ...

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$29.95
Host Defense Turkey Tail Powder

Turkey Tail Powder

$29.95

Benefits Made from freeze-dried activated mushroom mycelium Turkey Tail is an excellent source of cellular nutrients* In a recent clinical study...

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$29.95
Stamets 7® Extract - Host Defense Mushrooms

Stamets 7® Extract

from $19.95

Benefits Daily overall immune support* Promotes respiratory, digestive, circulatory, cellular, lymphatic and systemic functions for foundational ...

View full details
from $19.95
MyCommunity® Extract - Host Defense Mushrooms

MyCommunity® Extract

from $19.95

Benefits A blend of 17 potent mushroom species The most comprehensive immune support formula in the Host Defense line* Encourages resistance to ce...

View full details
from $19.95
Turkey Tail Extract - Host Defense Mushrooms

Turkey Tail Extract

from $19.95

Benefits Turkey Tail is an excellent source of cellular nutrients* In a recent clinical study funded by the National Institutes of Health, Host De...

View full details
from $19.95
MycoShield® Peppermint Spray - Host Defense Mushrooms

MycoShield® Peppermint Spray

from $9.95

Benefits Certified Organic Full Spectrum of Active Constituents Grown & Processed in the USA Purity Assured Sustainably Cultivated Descriptio...

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from $9.95
MycoShield® Cinnamon Spray - Host Defense Mushrooms

MycoShield® Cinnamon Spray

from $9.95

Benefits Certified Organic Full Spectrum of Active Constituents Grown & Processed in the USA Purity Assured Sustainably Cultivated Descriptio...

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from $9.95
MycoShield® Citrus Spray - Host Defense Mushrooms
Out of Stock

MycoShield® Citrus Spray

from $9.95

Benefits Certified Organic Full Spectrum of Active Constituents Grown & Processed in the USA Purity Assured Sustainably Cultivated Descriptio...

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from $9.95
Out of Stock
MycoShield® Winter Mist Spray - Host Defense Mushrooms

MycoShield® Winter Mist® Spray

from $9.95

Benefits Certified Organic Full Spectrum of Active Constituents Grown & Processed in the USA Purity Assured Sustainably Cultivated Descriptio...

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from $9.95
MycoShield® Licorice Spray - Host Defense Mushrooms
Out of Stock

MycoShield® Licorice Spray

from $9.95

Benefits Certified Organic Full Spectrum of Active Constituents Grown & Processed in the USA Purity Assured Sustainably Cultivated Descriptio...

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from $9.95
Out of Stock