Why You’ll Love It

Host Defense® Stamets 7® uses activated, freeze-dried, Certified Organic mushroom mycelium and fruitbodies, with a full spectrum of constituents: >55% (550mg/serving) polysaccharides, .5% (5mg/serving) fatty acids, and an array of extracellular constituents, including enzymes, antioxidants and prebiotics for the microbiome, essential for Supporting Natural Immunity.*

SKU: 633422037028

About This Brand

Host Defense

Host Defense emerged from the fusion of skill sets from two experts: Paul Stamets and C. Dusty Yao. Paul’s long time expertise in the classification and cultivation of mushrooms perfectly matched C. Dusty Yao’s years of making herbal extracts. Their shared passion for exploring the natural world, from thousands of hours of hiking through the old growth forest, and their combined ideas created the wellspring that gave birth to the Host Defense product lines that continue today. Paul Stamets, D.Sc., is a mycologist, hiker, naturalist, and pass
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Other ingredients: Freeze-dried myceliated brown rice, Pullulan (an extra-cellular polysaccharide)

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Disclaimer: Information, statements, and reviews regarding products have not been evaluated by the Food and Drug Administration. Results vary person to person, and there is no guarantee of specific results. Thrive Market assumes no liability for inaccuracies or misstatements about products.

California residents: learn more about Prop 65 warning.

Nutrition information

Serving Size:
2 capsules
Servings Per
Amount per serving
% daily value
Royal Sun Blazei mycelium
143 mg
(Agaricus brasiliensis)
Cordyceps mycelium
143 mg
Reishi mycelium
143 mg
(Ganoderma lucidum s.I.)
Maitake mycelium
143 mg
(Grifola frondosa)
Lion's Mane mycelium
143 mg
(Hericium erinaceus)
Chaga mycelium
143 mg
(Inonotus obliquus)
Mesima mycelium
143 mg
(Phellinus linteus)
† Daily Value Not Established

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Why I didn't get sick during Flu season this year 2019

Posted   by Heidi from Marina del Rey, California
I swear by Stamets 7 and conclude that it supported my immune system to prevent the flu this year. I have NEVER NOT gotten the flu. Every time I felt a sore throat or felt "something" coming on, I would double the dose (for that day or a couple days) and it (whatever virus is was) would be completely "killed" the next day. Mushrooms are amazing!
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the best

Posted   by suzanne from NEWTON UPPER FALLS, Massachusetts
Verified Purchase
a daily staple
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Posted   by Mary from Aurora, Colorado
Verified Purchase
This product helped my brain. Within a couple of weeks I was not as forgetful. I used it for three months with excellent results. Do your research and decide for yourself. Host Defense sold through Thrive is a win win!!
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Posted   by Jennifer from SAN ANTONIO, Texas
Verified Purchase
The combination is impressive and the science on mushrooms health benefits is too. No noticeable difference for me but too many other variables to tell.
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Easy to swallow, seems high quality

Posted   by Josh from CEDAR RAPIDS, Iowa
Verified Purchase
The lion's mane nootropic placebo worked just as well as expected, plus I haven't gotten sick since taking them, so I guess it helped with immune support. I didn't notice anything negative about the product.
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Keeps my immune system strong

Posted   by Anonymous
I take these as part of my wellness protocol during the fall and winter months to keep my immune system strong and think that it helps! I've kept healthy while others have been very sick around me.
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No more athelte's foot

Posted   by Thrive from BALDWIN, Illinois
Paul Stamets is an extraordinary gentlemen who does great work and so I have confidence that this mushroom blend is as excellent as it comes and after about 7 months of taking this and rotating with his mycommunity blend, I have had no colds and my athletes foot (candida) went away completely. I have also read that these mushrooms are great for the brain and the liver. Good to read about them online.
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Best way to stay healthy

Posted   by Lindsay
A health food store owner told me that he uses this everyday for his kids. He said that his 10 year old was only sick once in Kindergarten. I decided to try it and my kids and myself were able to fight off a cold which only lasted a few days. I am convinced it was because of this simple remedy!
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(Displaying 8 of 8 reviews)