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OtherWeak evidence

Stinging nettle

Also known as: Urtica dioica, nettle leaf and root

Nettle is used in two distinct forms: the leaf as a mild diuretic and for joints, and the root for urinary symptoms with an enlarged prostate. The leaf is also a source of minerals and vitamin K.

What it is used for

  • urinary symptoms with an enlarged prostate (root) – weak to moderate evidence
  • increasing urine flow and flushing the urinary tract (leaf) – weak evidence, traditional use recognised by the EMA
  • joint pain (leaf) – weak evidence
  • seasonal hay fever – weak evidence

Forms and how they differ

leaf extract

for joints and the diuretic effect

root extract

for the prostate, often with saw palmetto

1:1 tincture

contains alcohol

leaf tea

the gentlest form; drink with plenty of fluids

When to take it

In the morning and during the day (diuretic effect), not in the evening.

Pairs well with

Saw palmetto and pygeum (root); plenty of water (leaf).

Do not combine / separate

Do not combine with diuretics, lithium, blood pressure or diabetes medicines without asking your doctor; with warfarin keep intake steady (the leaf contains vitamin K).

Watch out for

Not suitable during pregnancy or breastfeeding, with swelling due to heart or kidney failure, or with kidney disease. With urinary problems see a doctor first. During pregnancy or breastfeeding, with kidney or liver disease, or when taking medicines, consult your doctor.

Safety

Generally well tolerated; occasional digestive upset. Do not exceed the label dose.

Practical tip

For the prostate, the root is used, not the leaf – check which part the product contains.

Products containing Stinging nettle 2

Stinging nettle 500 mgleaf extract · 500 mg / capsuleMen’s healthJointsInflammationHair & nails
Stinging nettletinctureMen’s healthJointsInflammationHair & nails
How to read the evidence rating
Strong evidenceModerate evidenceWeak evidenceNo evidence

Strong = several good human studies or official recommendations; moderate = promising but smaller studies; weak = few studies or mixed results; no evidence = claims not confirmed.

Combination check

Select the supplements you take and, if relevant, your medicines. We show what interferes, what needs a time gap and what to watch out for.

Check Stinging nettle with others

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From the same group

AlfalfaNo evidenceAndrographisWeak evidenceAroniaWeak evidenceBarley grassWeak evidenceBee pollenWeak evidenceBeef organs (desiccated)Weak evidence
Important notice

This information is educational and does not replace advice from a doctor or pharmacist. We do not give medicine dosages. Supplements are no substitute for a varied diet; if pregnant, breastfeeding, ill or on medication, consult a doctor first.