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Evidence-Based Supplement Research
Evidence-Based Supplement Research
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Cinnamon and Reduced Blood Cholesterol

Research synthesisLow evidenceModerate effect4 studies · 3 beneficial · 1 neutral · 0 harmful

Across 4 studies, 3 reported beneficial effects of cinnamon supplementation on reducing blood cholesterol, with a moderate effect size observed in the highest-quality meta-analysis (WMD: -13.39 mg/dL for total cholesterol). The most-studied population is adults with type 2 diabetes, and the median study duration of 57 days suggests effects are typically observed at around 8-12 weeks. Dosing ranged from 600 mg/day to ≤2 g/day, but no clear effective dose range emerged due to limited data.

  • Studied populations: adults with type 2 diabetes

Caveats: Available evidence is overwhelmingly positive — clinical literature in this area is subject to publication bias (null-result studies are less likely to be published or indexed). Evidence base is small (only 4 studies) — conclusions should be considered preliminary.

Generated Jun 15, 2026
Doses used in studies
  • mg/day: 600 (median 600, IQR 600–600) — 1 study
Time to effect
Median: 8.1 weeks · IQR 6.2 weeks–10.1 weeks · Range 4.3 weeks–2.8 months — Reported in 2 of 4 studies
4 of 4 papers
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