BPH urinary symptoms: what the evidence supports

4 graded interventions for bph urinary symptoms, ranked by strength of evidence.

Overall grade: Grade B
Last revised: Jul 10, 2026; 4
graded outcomes: 0
references listed

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 B · 3 at grade C — 4 graded rows

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
Beta-SitosterolCochrane-supported	Evidence grade B	Moderate	high
Stinging NettleOften combined	Evidence grade C	Small	mixed
Saw PalmettoCAMUS null	Evidence grade C	Small	mixed
PygeumOlder data	Evidence grade C	Small	mixed

Beta-SitosterolEvidence grade B
Cochrane-supported
Moderatehigh
Stinging NettleEvidence grade C
Often combined
Smallmixed
Saw PalmettoEvidence grade C
CAMUS null
Smallmixed
PygeumEvidence grade C
Older data
Smallmixed

What is uncertain

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

Thin evidence: Stinging Nettle (grade C); Saw Palmetto (grade C); Pygeum (grade C).

The evidence in words

The evidence map

This is the ranked evidence for bph urinary symptoms: every compound in the knowledge base with a graded effect, best-supported first. Grades reflect replication and effect size, not popularity or marketing.

Best-supported

Beta-Sitosterol (grade B) — Cochrane-supported

Weaker or unproven

Stinging Nettle (grade C) — Often combined · Saw Palmetto (grade C) — CAMUS null · Pygeum (grade C) — Older data

Goes with

Beta-SitosterolGrade BEvidence grade B
Stinging NettleGrade CEvidence grade C
Saw PalmettoGrade CEvidence grade C
PygeumGrade CEvidence grade C

Entries that share this one's tags or conditions.

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Antibiotic-associated diarrhea: what the evidence supports2 graded interventions for antibiotic-associated diarrhea, ranked by strength of evidence.Evidence grade B
Anxiety: what the evidence supports6 graded interventions for anxiety, ranked by strength of evidence.Evidence grade B
Benign prostatic hyperplasia: what the evidence supports3 graded interventions for benign prostatic hyperplasia, ranked by strength of evidence.Evidence grade C

Sources

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.