Ginger-rhizome powder capsules,
does it really help with Reduction of PBAC-assessed menstrual blood loss in heavy menstrual bleeding?
research showsGrade C with 54 points. In a 92-randomized trial, reported PBAC values changed from 113.73 to 60.67 with ginger and 113.43 to 110.97 with placebo (between-group P<.001). The paper-level primary hierarchy is accepted, but only 71 completed and the measure was a PBAC diary rather than directly measured milliliters.
ads claimThe trial does not support self-treating unexplained heavy bleeding or applying ginger to iron-deficiency, anemia, or pregnancy-related bleeding.
Useful facts when choosing a product
- This verdict applies only to the exact formulation, route, dose, duration, population, endpoint, and comparator shown above.
- Ginger food, powder, standardized extract, essential oil, topical products, and combination products are not interchangeable.
- Caution. Heavy bleeding warrants evaluation for anemia, uterine disease, and bleeding disorders. Seek advice with anticoagulant or antiplatelet use, pregnancy possibility, or worsening bleeding.
Chamgap Semantic Classification Code
Permanent code issued
S.ginger.oral.heavy-menstrual-bleeding-pbac.reduce.placeboSupplements and nutraceuticals > Ginger > Oral > Heavy-menstrual-bleeding PBAC > Reduction claim > Placebo
This is a pictorial PBAC score, not direct milliliter measurement or dysmenorrhea pain. The code identifies the intervention and claim; it never contains the evidence grade, score, or safety result.
Exact Claim Classification
These independent facets prevent evidence from different forms, routes, populations, effects, and comparators from being mixed.
| Intervention class | S · Supplement or nutraceutical |
|---|---|
| Canonical ingredient or intervention | Ginger |
| Source or part used | Dried powdered rhizome of Zingiber officinale Roscoe |
| Formulation or processing | 250-mg powder capsules |
| Route | Oral |
| Dose | 250 mg three times daily on four days per cycle, from the day before menstruation through day 3; 750 mg/day |
| Duration | Three baseline cycles followed by three treatment cycles |
| Population | Adolescents aged 15-18 with normal BMI, regular cycles, and heavy bleeding on PBAC |
| Effect or condition | Menstrual-blood-loss reduction |
| Primary endpoint | Between-group change in PBAC-based per-cycle bleeding measure |
| Comparator | Matching lactose placebo |
| Duplicate-detection key | ginger|250mg-dried-powder-capsules|oral|adolescents-15-18-pbac-heavy-bleeding|menstrual-loss-reduction-per-cycle|3-treatment-cycles |
What the research actually shows
The abstract and accessible full-text data were checked for PBAC measurement and the 92-randomized, 71-completer denominators.
Why this is classified as C (54)
Independent academic support and a positive paper-level primary assessment are two strengths, but a single trial, substantial attrition, PBAC unit ambiguity, missing exact CI, and no replication cap the result at C with 54 points.
Counterpoint. Separate evidence for dysmenorrhea pain does not independently replicate a menstrual-blood-loss claim.
Rejudgment record. Independent Codex cross-check — One formulation, one route, one population, one claim, one principal endpoint and comparator
| Endpoint | P | Patient-reported treatment goal - the symptom is the goal |
| Replication | R1 | Single confirmatory trial |
| Independence | I2 | Decisive evidence is publicly or non-profit funded |
| Effect size | E+ | Meets the clinically important threshold |
| Precision | CX | No pooled confidence interval could be confirmed |
The scoring table and the verdict agree (C).
Cross-check — AI research and Codex final gate
Evidence Table
| Study | Design | Sample | Funding | Endpoint | Result | Weight |
|---|---|---|---|---|---|---|
| Effect of ginger (Zingiber officinale) on heavy menstrual bleeding: a placebo-controlled, randomized clinical trial | The cited design, allocation, masking, endpoint hierarchy, and analysis limitations were independently checked. | 71 | Funding, product support, employee authorship, and declared conflicts were assessed separately. | The principal endpoint contract is preserved; secondary outcomes remain separate. | Verified estimates are preserved; missing confidence intervals or event counts were not invented. | Evidence weight reflects directness, formulation match, endpoint hierarchy, and reporting limitations. |
Receipt — 1 References
All 1 cited sources were verified for existence at the original page (as of 2026-09-08).
Final verification and publication gate: Codex · Verification cutoff: 2026-09-08 · Corrections: none
Cite this verdict
[Chamgap] Ginger for Heavy Menstrual Bleeding—One Small Trial Found Lower PBAC Scores, With 71 of 92 Completing — Evidence Grade C·54. 1 cited sources checked. Source: https://chamgap.com/en/verdicts/womens/oral-ginger-heavy-menstrual-bleeding-pbac/ · CC BY 4.0CC BY 4.0 — free to use with attribution; do not distort grades, numbers, or verdict meaning.
What this document does and does not do
Chamgap is an information source. It reports what research has and has not confirmed; it does not tell readers what to take or buy. That decision belongs to readers and, when needed, medical or legal professionals. This verdict reflects literature available up to the search date and may change as new research appears. Nothing here is medical advice.