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Host Defense Mushrooms

Paul Stamets's mushroom-supplement company, growing mycelium on certified-organic substrates at the company's Washington State farm. Capsules, powders, gummies, and liquid extracts of reishi, lion's mane, turkey tail, chaga, cordyceps, and the broader pharmacopeia. The best-selling mushroom-supplement brand in the US and one of the world's most visible mycology operations.

What they do

Host Defense grows mushroom mycelium on certified-organic substrates at the Stamets family farm in Washington State and produces the resulting biomass as supplements across formats — capsules, powders, liquid extracts, gummies. The catalog covers the major medicinal species: reishi, lion’s mane, turkey tail, chaga, cordyceps, agarikon, maitake, plus species-specific blends targeting immune, cognitive, respiratory, and other functions.

Why it’s listed

Paul Stamets is one of the most visible mycologists on Earth, and Host Defense is the operational form of his lifetime body of work — research, agar plates, fruiting chambers, supplement bottles, all on one farm. The directory cares about mycology because mushrooms are a substrate-builder layer the food and medicine systems have barely begun to use. Host Defense is the consumer-scale anchor for that whole conversation.

See also

Auto-generated from this entry’s typed relations: frontmatter, grouped by relation type so the editorial signal isn’t flattened.

Sources

A listing in the 0mn1.one directory.

What links here, and how

Inbound connections from across the wiki, grouped by lens and by relationship. These appear automatically — every entity page declares what it links to, and that data populates here on the targets.

Practical

shares approach with

  • Far West Fungi kindred US mycology operations at different scales
  • Smallhold two mycology operations at different scales and product lines — Host Defense in supplements, Smallhold in fresh culinary

2 inbound links · 3 outbound