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Evidence-Based Supplement Research
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Black Cumin and Reduced Low-Density Lipoprotein Level

Research synthesisModerate evidenceMixed effect size4 studies · 3 beneficial · 1 neutral · 0 harmful

Across 4 studies, 3 reported beneficial effects of Black Cumin on reducing LDL cholesterol, with a mixed effect size (small to large). The two highest-quality meta-analyses (both showing moderate to large effects) support a beneficial effect, but the evidence base is limited to only 4 studies. No specific dose range or form was consistently reported across studies.

Caveats: Evidence base is small (only 4 studies) — conclusions should be considered preliminary. The one neutral study was conducted in type 2 diabetes patients, suggesting possible population-specific differences. The effective dose range is poorly defined, with only one study reporting doses spanning 200-4600 mg/day.

Generated Aug 3, 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 4 studies
4 of 4 papers
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