Stinging Nettle for Allergic rhinitis

Evidence grade C — Limited

Assembled by the app from other entries in this library. It adds no evidence of its own — follow the links to the entries it draws on.

1 at grade C — 1 graded row

What is known

Each outcome with its grade (how strong the evidence is, A to D), the size of the effect where the entry records one, and how often studies agree.

Outcome	Grade	Effect size	Agreement
Allergic rhinitisLimited	Evidence grade C	Small	low

Read off the same rows as above. Nothing here is added that the entry does not itself record.

For allergic rhinitis, Stinging Nettle earns evidence grade C (small effect, low consistency) — the evidence is limited or mixed. Limited

Anti-inflammatory actions and, for BPH, effects on prostate androgen and SHBG pathways.

Root extract for BPH; leaf for allergy. Often combined with other prostate botanicals.

Very safe; mild diuretic and possible additive effects with BP/diabetes drugs.

A benign, modestly-supported option for prostate urinary symptoms and allergies. Fine to trial, usually as part of a blend.

As the entry records it, from the studies it summarises. Not a recommendation for you — doses that suit a trial population may not suit you.

Entries that share this one's tags or conditions.

Stinging Nettle for Benign prostatic hyperplasiaEvidence grade C — ModestEvidence grade C
Stinging Nettle for BPH urinary symptomsEvidence grade C — Often combinedEvidence grade C
Pygeum for Benign prostatic hyperplasiaEvidence grade C — ModestEvidence grade C
Pygeum for BPH urinary symptomsEvidence grade C — Older dataEvidence grade C

This entry lists no references of its own — it is assembled from the entries it links to, whose sources are on their pages.

Last revised Jul 10, 2026. A grade is this entry's reading of the evidence, not medical advice.