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Evidence-Based Supplement Research
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Black Cumin and Reduced Triglyceride Levels

Research synthesisModerate evidenceMixed effect size3 studies · 2 beneficial · 1 neutral · 0 harmful

Across 3 meta-analyses, 2 reported statistically significant beneficial effects of black cumin on triglyceride levels, with effect sizes ranging from moderate to large (one study reported SMD -1.27). One meta-analysis in T2DM patients found no significant effect. The median study duration was only 7 days (from one study), and the largest study (n=5026) used a wide dose range of 200–4600 mg/day. Evidence base is small (only 3 studies).

  • Studied populations: general adult population

Caveats: Evidence base is small (only 3 studies) — conclusions should be considered preliminary. The only study reporting duration had a median of 7 days, which is short; longer-term effects are uncertain. The beneficial effects were observed in general adult populations, but a meta-analysis in T2DM patients found no significant effect, suggesting possible population-specific differences.

Generated Jul 4, 2026
Doses used in studies
  • mg/day: 200–4,600 (median 2,400, IQR 200–4,600) — 1 study
Time to effect
Median: 7 days · IQR 7 days–7 days · Range 7 days–7 days — Reported in 1 of 3 studies
3 of 3 papers
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