Cyber Weekend Sale - 25% Off All Host Defense Products

25% OFF ALL HOST DEFENSE PRODUCTS!

SHOP NOW
Host Defense Mushrooms Holiday Bundles 25% Off!

GET 25% OFF WITH OUR HOLIDAY BUNDLES

SAVE NOW
Host Defense Supplements are Powered by Mushroom Mycelium

MYCELIUM EXPLAINED!

LEARN MORE
Founded by Paul Stamets Light Blue Icon

Founded By Paul Stamets

About Fungi Perfecti®
More Than 10 Times Climate Positive¹ Light Blue Icon

An Eco-Friendly Brand

Sustainability Report
BeeFriendly™ Initiative Light Blue Icon

Giving Bees A Chance

BeeFriendly™ Initiative
Fungi Perfecti LLC Mushroom Logo

HELPING BEES, TREES, PEOPLE, & PLANET

Paul Stamets started Fungi Perfecti® with the goal of building the bridge between people and fungi.
Since its inception in 1980, Fungi Perfecti has become synonymous with cutting-edge mycological research and solutions. Our continued mission is to explore, study, preserve, and spread knowledge about the use of fungi for helping people and planet. Read More »

COMPANY POLICIES | LATEST UPDATES

Makers of Host Defense Mushrooms

Our mushrooms are USDA organic, non-GMO, vegan, and gluten-free.
We base our product development and formulation on scientifically proven data to ensure quality and efficacy. All of our supplements are verified for identity, purity, composition, and strength by independent labs.

View all

Host Defense® Products Currently Available

USDA Certified Organic
Non-GMO
Vegan
Gluten-free
Eco-Friendly Packaging
Washington State Certified Organic

RESEARCH & DEVELOPMENT

Meet the Fungi Perfecti R&D Team

LEARN MORE

BLOGS & ARTICLES

Fascinated by all things Fungi? Check here to stay in-the-know!

MycoBrew® Lion’s Mane Drink Mixes

MycoBrew® Lion’s Mane Drink Mixes

Mix It Up With Mushroom MYCELI-YUM!™ MycoBrew® Coffee, Matcha, Cocoa, and Mocha are specially-crafted, flavor-forward formulations that offer a premium taste experience. After years of development, MycoBrew® provides exceptional flavors available in both grab-and-go packets and bulk canisters. Whether you...

Read now
Mushroom Grain Spawn

Mushroom Grain Spawn

Learn more about the types of Grain Spawn that we offer, suggested resources for different techniques and proper use, and our Terms of Use and Agreement information.

 

 

Read now
See more

BRAND HIGHLIGHTS

Learn more about what we've been up to at Fungi Perfecti!

¹Refers to scopes 1 and 2 emissions offsets.