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.
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White willow
Salix alba
also known as Willow bark, European willow
The original aspirin tree — willow bark contains salicin, the natural precursor that inspired the discovery of acetylsalicylic acid.
- Bark contains salicin — natural precursor to aspirin
- Eases mild headache
- Eases lower back pain
- Eases osteoarthritis pain
- Used since the time of Hippocrates
- Approved by Commission E for pain
Active in Salicin, Flavonoids, Tannins, Polyphenols.
Avoid with aspirin allergy or salicylate sensitivity
Do not give to children with viral illness — Reye's syndrome risk
Avoid in pregnancy
Use caution with blood thinners
Avoid with peptic ulcer disease
Discontinue 2 weeks before surgery
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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
Cancel any time. No questions asked.