Nettle leaf (Urtica dioica leaf)
What it is
Different from nettle root (used for prostate). The leaf form is traditionally used for seasonal allergies and hayfever. One randomised trial found freeze-dried nettle leaf significantly reduced allergy symptoms compared to placebo. May work by inhibiting histamine release and inflammatory prostaglandins. Very safe as a food (cooked nettles are eaten as a vegetable in many cultures). More clinical evidence is needed.
Dose
300 mg freeze-dried leaf × 3 daily for allergies; leaf use is different from root (prostate)
Time of day & tips
Take with water 3 times daily. Freeze-dried form is most effective for allergies. Start taking 1–2 weeks before allergy season for best results.
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