Research · Systematic review
Cinnamon for diabetes mellitus
What it found
No significant effect on HbA1c and an inconclusive effect on fasting glucose. The Cochrane authors concluded there is insufficient evidence to support cinnamon for diabetes.
- Design
- Systematic review
- Year
- 2012
- Sample size
- 577
- Population
- patients with type 1 or type 2 diabetes (10 RCTs)
- Intervention
- oral cinnamon, mostly Cinnamomum cassia, ~2 g/day for 4–16 weeks
- Outcome
- HbA1c, fasting glucose, insulin, postprandial glucose
- Journal
- Cochrane Database of Systematic Reviews
Citation last checked 2026-06-21.