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The curious few.
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Know what you're putting in your body.

158 herbs, nutrients, and compounds. What the science says, what tradition knew, and what to watch for. Founding members keep this running.

$60 /year

Founding rate — locked for life. Regular price after launch: $96/year.

  • Full access to all 158+ entries
  • Print-ready reference card for every herb
  • Monthly curated set — 5 herbs, one body system
  • The Sunday Letter — weekly research digest
  • Bookmarks synced across devices
  • Founding rate locked forever
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IMMUNE-BOOST

Echinacea

Echinacea purpurea

also known as Purple coneflower, Black sampson

A North American native herb traditionally used to support the body during colds and respiratory infections, modulating immune cell activity.

  • Supports immune function during cold season
  • May reduce duration of common cold
  • May reduce severity of cold symptoms
  • Used by Plains Indigenous tribes for centuries
  • Modulates immune cell activity
  • Provides anti-inflammatory alkylamides
  • Most studied herb for upper respiratory infections

Active in Alkylamides, Polysaccharides, Caffeic acid derivatives, Echinacoside.

Avoid with autoimmune disorders — may stimulate immune response
Avoid with progressive systemic conditions (TB, MS, HIV)
Possible cross-reactivity with Asteraceae allergy
Use caution with immunosuppressant drugs
Limit continuous use to 8 to 10 weeks
Avoid in pregnancy without provider guidance
Research
The curious few.
50 founding spots left

Know what you're putting in your body.

158 herbs, nutrients, and compounds. What the science says, what tradition knew, and what to watch for. Founding members keep this running.

$60 /year

Founding rate — locked for life. Regular price after launch: $96/year.

  • Full access to all 158+ entries
  • Print-ready reference card for every herb
  • Monthly curated set — 5 herbs, one body system
  • The Sunday Letter — weekly research digest
  • Bookmarks synced across devices
  • Founding rate locked forever
Become a founding member

Cancel any time. No questions asked.