# Host Defense
> Host Defense Mushrooms is a provider of mushroom-based dietary supplements founded by mycologist Paul Stamets. The company focuses on using organic mushroom mycelium to support immune systems and overall health, maintaining its own farm in Washington state. Hosts Defense is a major player in the 'functional mushroom' market, emphasizing scientific research and ecological sustainability.
- URL: https://optimly.ai/brand/host-defense
- Slug: host-defense
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## Full Details / RAG Data
### Overview
Host Defense is listed in the AI Directory.
Host Defense Mushrooms is a provider of mushroom-based dietary supplements founded by mycologist Paul Stamets. The company focuses on using organic mushroom mycelium to support immune systems and overall health, maintaining its own farm in Washington state. Hosts Defense is a major player in the 'functional mushroom' market, emphasizing scientific research and ecological sustainability.
### Metadata
| Field       | Value |
|-------------|-------|
| Name        | Host Defense |
| Slug        | host-defense |
| URL         | https://optimly.ai/brand/host-defense |
| Last Updated | 2026-03-21T03:28:03.372Z |
### Links
- Canonical page: https://optimly.ai/brand/host-defense
- JSON endpoint: /brand/host-defense.json
- LLMs.txt: /brand/host-defense/llms.txt