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Evidence-Based Supplement Research
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Cinnamon and Reduced Triglyceride Levels

Research synthesisModerate evidenceSmall effect4 studies · 3 beneficial · 1 neutral · 0 harmful

Across 4 studies, 3 reported beneficial effects of cinnamon supplementation on reduced triglyceride levels, with effect sizes ranging from small to large (predominantly small). The most consistent evidence comes from a large meta-analysis (n=3054) showing a small beneficial effect at doses ≤2 g/day over 30 days in adults with type 2 diabetes. The median study duration was 57 days, and effects were primarily observed in clinical populations with type 2 diabetes or dyslipidemia.

  • Effective dose range: ≤2 g/day
  • Studied populations: adults with type 2 diabetes, patients with dyslipidemia

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. One neutral trial (600 mg/day for 84 days) found no effect, suggesting dose or duration may influence outcomes, though heterogeneity in effect sizes (I²=88%) indicates inconsistent findings.

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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