ingestible · for hay fever (seasonal allergies)
Stinging Nettle (Urtica dioica)
Reviewed by the Nimbera editorial team · Last updated May 2026
How to use
Take 300-600 mg of freeze-dried stinging nettle leaf capsules one to two times daily, starting 1-2 weeks before allergy season. Fresh nettle tea (2-3 cups daily) is an alternative.
How it works
Stinging nettle inhibits several inflammatory pathways involved in allergic responses, including histamine receptors, prostaglandin synthesis, and mast cell activation - acting as a natural multi-pathway anti-inflammatory.
Where to buy
Health food stores, herbal shops, Amazon - brands include Oregon's Wild Harvest, Gaia Herbs, Nature's Way
Typical cost: $10-$20 per month
Safety notes
May have mild diuretic effects. Can lower blood pressure - use caution if on antihypertensive medications. Avoid in pregnancy. May interact with blood thinners and diabetes medications.
Drug & supplement interactions
- Always tell your doctor or pharmacist about any supplements you take.
- Interactions can occur with prescription medications, blood thinners, and immunosuppressants.
- Herbal remedies can affect how the body absorbs or metabolises drugs.
- Check drugs.com interactions checker before starting.
Clinical source
PubMed - Mittman 1990This information is compiled from primary clinical literature and is for informational purposes only. It is not a substitute for professional medical advice. Read our full disclaimer.