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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
Lion's Mane Extract

Lion's Mane Extract

from $19.95

Benefits Promotes mental clarity, focus and memory* Provides cerebral and nervous system support* Many studies have identified a NGF (Nerve Grow...

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from $19.95
Stamets 7® Extract

Stamets 7® Extract

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
MyCommunity® Extract

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...

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from $19.95
Turkey Tail Extract

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...

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from $19.95
Reishi Extract

Reishi Extract

from $19.95

Benefits Reishi is the #1-selling nutraceutical mushroom species worldwide Promotes cardiovascular system health* Supports the body's natural abi...

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from $19.95
Breathe Extract

Breathe Extract

from $19.95

Benefits Equal parts Cordyceps, Reishi and Chaga Supports free and easy respiration* Supports energy and oxygen uptake* May help modulate reacti...

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from $19.95
Cordyceps Extract

Cordyceps Extract

from $19.95

Benefits Supports energy and stamina* Supports the body's natural metabolic systems* Supports a healthy libido* Promotes healthy kidney function* ...

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from $19.95
Chaga Extract

Chaga Extract

from $19.95

Benefits Maximum antioxidant support against daily free radical damage* Host Defense's advanced culturing techniques of the mycelium preserve a w...

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from $19.95
CordyChi® Extract

CordyChi® Extract

from $19.95

Benefits A blend of 50% Cordyceps and 50% Reishi per serving Supports energy and oxygen uptake with cellular nutrients* Supports healthy immune r...

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from $19.95
Maitake Extract
Out of Stock

Maitake Extract

from $19.95

Benefits Promotes a healthy glycemic balance by supporting normal blood sugar metabolism*‡ Rich in 1-3, 1-4, and 1-6 Beta-glucans, well-known for ...

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from $19.95
Out of Stock

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