CHAMGAP
VERIFIEDPassed the Codex final verification and publication gate. Evidence-verification cutoff: 2026-09-08. AI was used for research and drafting; the existence of all 1 cited sources was verified at the original page, followed by blind grading, adversarial audit, and build validation. Methodology v1.0.
Verdict No. 3041 · Search date 2026-09-08 · Methodology v1.0

Nanocurcumin 80 mg three times daily,
does it really help with Improvement of HOMA-IR in polycystic ovary syndrome?

30-Second Summary
C
Evidence Grade C · 54 · Safety caution
Ovulation, fertility, and pregnancy outcomes are not part of this HOMA-IR verdict.
Caution. Nanocurcumin safety in pregnancy is not established; gastrointestinal and glycemic effects require clinical monitoring when combined with metformin.
What the
research shows
Grade C with 54 points. A 200-participant 2×2 factorial trial emphasized metabolic improvements with metformin plus nanocurcumin, but the public abstract does not isolate the nanocurcumin main effect or interaction with an exact HOMA-IR contrast and 95% CI.
What the
ads claim
The combination arm cannot justify claims that nanocurcumin alone corrects insulin resistance, weight, and hormones.
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Useful facts when choosing a product

  • This verdict applies only to the exact formulation, route, dose, duration, population, endpoint, and comparator shown above.
  • Conventional curcumin, turmeric powder, nano or micellar products, phospholipid phytosomes, piperine combinations, swallowed products, and topical oral products are not interchangeable.
  • Caution. Nanocurcumin safety in pregnancy is not established; gastrointestinal and glycemic effects require clinical monitoring when combined with metformin.
ID

Chamgap Semantic Classification Code

Permanent code issued

S.nanocurcumin.oral.homa-ir.improve.factorial

Supplements and nutraceuticals > Nanocurcumin > Oral > HOMA-IR > Improvement claim > Metformin 2x2 factorial comparison

Bound to the PCOS 2x2 factorial trial; combination-arm results are not attributed to nanocurcumin alone. The code identifies the intervention and claim; it never contains the evidence grade, score, or safety result.

Download semantic index (JSON) · Codebook v1

Exact Claim Classification

These independent facets prevent evidence from different forms, routes, populations, effects, and comparators from being mixed.

Intervention classS · Supplement or nutraceutical
Canonical ingredient or interventionNanocurcumin
Source or part usedNanoformulated curcumin derived from Curcuma longa
Formulation or processingNanocurcumin soft-gel capsule
RouteOral
Dose80 mg every 8 hours, 240 mg/day
Duration12 weeks of treatment and follow-up
Population200 women with PCOS; diagnostic details governed by the full paper
Effect or conditionHOMA-IR improvement
Primary endpointChange in HOMA-IR at 12 weeks
ComparatorDouble placebo and metformin factorial arms
Duplicate-detection keynanocurcumin|softgel|oral|women-pcos|homa-ir-improvement|12-weeks
Gap Measurement · Verdict 3041 · C 54
What advertising claims
What independent, higher-quality research supports
△ GAP
01

What the research actually shows

A 2×2 factorial trial switching metformin and nanocurcumin on and off independently was reviewed.

02

Why this is classified as C (54)

Sample size and duration are strengths, but unverified isolated main effect, hierarchy, and confidence interval impose an EX cap, yielding C with 54 points.

Counterpoint. The 200-person, 12-week double-blind placebo-controlled design is a strength, but the exact isolated HOMA-IR estimate is absent from the public abstract.

Rejudgment record. Independent Codex cross-check — One formulation, one route, one population, one claim, one principal endpoint and comparator

Scoring profile behind this grade
EndpointSSurrogate marker - laboratory or imaging measures
ReplicationR1Single confirmatory trial
IndependenceI2Decisive evidence is publicly or non-profit funded
Effect sizeEXThe clinical size of the effect could not be judged
PrecisionCXNo pooled confidence interval could be confirmed

The scoring table and the verdict agree (C).

Cross-check — AI research and Codex final gate

AI was used for research and drafting. Blind grading, adversarial audit, and the methodology boundary rules were then reapplied before Codex performed the final evidence, grade, copy, and build checks. If a grade cannot be narrowed, both evidence positions and their reasons are published.
03

Evidence Table

StudyDesignSampleFundingEndpointResultWeight
Effects of metformin and curcumin in women with polycystic ovary syndrome: A factorial clinical trialThe cited design and its allocation, masking, endpoint, and analysis limitations were independently checked.1Funding, product support, employee authorship, and declared conflicts were assessed separately.The principal endpoint is preserved; secondary and mechanistic outcomes remain separate.The verified numerical result is preserved in the English reader answer and rationale; missing confidence intervals were not invented.Evidence weight reflects directness, formulation match, endpoint hierarchy, and verified analysis limitations.
§

Receipt — 1 References

All 1 cited sources were verified for existence at the original page (as of 2026-09-08).

Feghhi F et al. Phytomedicine. 2024;135:156160. PMID: 39461199. DOI: 10.1016/j.phymed.2024.156160.
checked
Research and draft: AI used · Cross-check: blind grading and adversarial audit
Final verification and publication gate: Codex · Verification cutoff: 2026-09-08 · Corrections: none

Cite this verdict

Nanocurcumin for PCOS HOMA-IR—A 200-Participant Factorial Trial Did Not Cleanly Isolate the Combination Signal Evidence Grade C card
[Chamgap] Nanocurcumin for PCOS HOMA-IR—A 200-Participant Factorial Trial Did Not Cleanly Isolate the Combination Signal — Evidence Grade C·54. 1 cited sources checked. Source: https://chamgap.com/en/verdicts/womens/oral-nanocurcumin-pcos-homa-ir-factorial/ · CC BY 4.0

CC BY 4.0 — free to use with attribution; do not distort grades, numbers, or verdict meaning.

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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.