# Old but Fancy: Curcumin in Ulcerative Colitis-Current Overview.

- **DOI:** [10.3390/nu14245249](https://doi.org/10.3390/nu14245249)
- **Rating:** Sound (3.0 out of 5)
- **Verdict:** A clear, clinically useful synthesis of curcumin evidence in ulcerative colitis whose descriptive framing understates the very low quality of the underlying trials it summarizes.
- **Framework version:** v5.0
- **Pipeline version:** v0.4
- **Evaluation date:** 2026-06-15
- **Evaluation page:** https://www.nabu.science/paper/10.3390%2Fnu14245249

## Strengths

- **Competent summary of review-level clinical evidence** Section 5 summarizes five systematic reviews and meta-analyses with key effect statistics and a clear comparison table, and explicitly cites the overview finding that all assessed reviews were of very low methodological quality.
  - Dimension: methodological rigour
  - Location: Section 5, pp. 5-6; Table 1, p. 6
- **Practical consolidated pediatric dosing guidance** The pediatric section assembles ECCO/ESPGHAN induction and maintenance dosing into a single accessible table, a clinically useful focus not always present in adult-oriented reviews.
  - Dimension: contribution
  - Location: Section 6, p. 6; Table 2, p. 7
- **Clear, accessible clinical exposition** Complex pharmacokinetic and mechanistic content is explained at a level appropriate for a clinical readership, and the structure flows logically from biological rationale to clinical implications.
  - Dimension: reporting
  - Location: Sections 1-6, pp. 1-7

## Limitations

- **Quality caveat cited but not integrated** The review cites the overview finding that the underlying systematic reviews are of very low methodological quality but does not use it to calibrate its overall optimistic framing, leaving the conclusions more confident than the evidence supports.
  - Dimension: positioning
  - Location: Section 5, p. 6; Section 7, p. 7
- **Microbiota section thin on human evidence** The microbiota discussion rests on one healthy-volunteer study and two animal models, with the authors acknowledging that no human studies of curcumin on the gut microbiome in UC patients have been published.
  - Dimension: methodological rigour
  - Location: Section 4, pp. 4-5
- **Non-transparent methods and no limitations section** As a narrative review the paper provides no formal search strategy, inclusion criteria, or declared reporting standard, and limitations are confined to a brief mention in the conclusion, reducing transparency about scope and selection.
  - Dimension: positioning
  - Location: Section 5, p. 5; Section 7, p. 7

## Reliability checks

Caveats (3 of 4 checks).

- **Internal coherence:** Noted. The review is internally readable and consistent in its central message, and Table 1 matches the text descriptions of the cited reviews. However, the abstract and conclusion framing of curcumin as a promising adjunct runs somewhat ahead of the heterogeneous, low-quality evidence base the paper itself acknowledges, and the synthesis foregrounds positive systematic reviews over null or quality-limiting findings.
- **Research conduct:** Noted. No conduct problem material for a narrative review: conflicts of interest are declared as none, funding is declared as none, and ethics is appropriately marked not applicable. The only watch-out is a data availability statement that is effectively non-informative for a literature review with no primary dataset.
- **Reference integrity:** Pending

## Post-publication record

- **Status:** Clean
- **Summary:** No retraction or expression of concern found in Crossref (includes Retraction Watch).
- **Last checked:** 2026-10-17