Detailed profiles of the plants and mushrooms behind our extracts. Each guide covers the botany, the active compounds, the traditional record and the modern evidence - with every claim referenced, and the limits of that evidence stated plainly.
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Liquid extracts are the simplest supplements to take — and the easiest to take slightly wrong. A dropper is not a teaspoon, a "drop" is not a unit of ..
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Jewelweed (Impatiens capensis) is the succulent, orange-flowered annual that North American folk tradition has reached for after a walk goes wrong — a..
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2297
Pau d'Arco is the inner bark of the pink trumpet tree (Tabebuia impetiginosa), a canopy giant of South America whose Portuguese name means simply "bow..
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Wild cherry bark comes from the black cherry tree (Prunus serotina), a tall forest tree of eastern North America — and for well over a century its aro..
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Red root (Ceanothus americanus) is the plant behind a small piece of American history: when colonists boycotted British tea in the run-up to the Revol..
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Lomatium (Lomatium dissectum) — fernleaf biscuitroot — is one of the great medicinal roots of the North American West, and one of the least familiar o..
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Goldenseal (Hydrastis canadensis) is a small woodland plant of eastern North America with an outsized reputation — and one thing about it that any hon..
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Sweet violet (Viola odorata) is the small purple flower that scents European woodland edges in early spring — and one of the most quietly remarkable p..
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Oregon grape (Mahonia aquifolium) is the holly-leaved evergreen of the Pacific Northwest — and one of the classic bitter roots of North American herba..
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The California poppy (Eschscholzia californica) is the flower that turns whole hillsides orange after a wet winter — and, less obviously, a long-stand..
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2235
The olive tree (Olea europaea) gave the Mediterranean its oil, its symbolism and — less famously — one of its most studied leaves. While the fruit and..
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Mullein (Verbascum thapsus) is the tall, silver-leaved plant you have almost certainly walked past — on roadsides, railway banks and neglected ground ..