Study
Ceylon Cinnamon Extract Lowers Blood Sugar in Adults with Type 2 Diabetes
Ceylon cinnamon extract significantly reduced fasting blood sugar levels in adults with type 2 diabetes, showing potential benefits for blood sugar management.
Summary
In plain language
Recent research suggests that taking Ceylon cinnamon extract can help lower fasting blood sugar levels, especially in adults with type 2 diabetes. This study was designed to understand if Ceylon cinnamon could improve cholesterol and blood sugar levels. Although it didn't significantly change cholesterol levels, it did help reduce blood sugar. This finding is important because managing blood sugar is crucial for preventing complications from diabetes. The study indicates that Ceylon cinnamon could be a helpful addition to diabetes management, but it's best to talk to your doctor before making any changes to your routine.
Details
Use the full description to understand the study design, methods, and the limits of the findings.
This study was a randomized, double-blind trial, meaning neither the participants nor the researchers knew who was taking cinnamon or a placebo until the study was over. Participants took two capsules of Ceylon cinnamon extract daily for 12 weeks.
The study found a significant reduction in fasting blood sugar levels for those taking cinnamon, especially among individuals with type 2 diabetes.
It did not significantly lower LDL cholesterol levels, which are often a focus for heart health.
While the cinnamon showed promising blood sugar benefits, the study emphasizes the need for further research to confirm its overall health impact and safety.
As always, discuss any new supplements with your healthcare provider to ensure they fit your personal health needs.
Full Study
Open the original publication for the complete methods, outcomes, and source material.
Ceylon Cinnamon Extract Lowers Blood Sugar in Adults with Type 2 Diabetes
Published September 2026
Opens at the publisher · external site · may require institutional access
Research Quality Score
Scored September 29, 2026 using rubric mq-1.8_2026-07-06.
Assessment
The study scored highly due to its rigorous RCT design, strong bias control measures, and robust statistical methods. Transparency was ensured through pre-registration and adherence to reporting guidelines. However, the study's relevance to the target population was limited by its broader age range, and the funding source posed a conflict of interest, impacting the independence score. No replication evidence was provided.
Category Breakdown
| Category | Score | Rating |
|---|---|---|
| Study design | 10.0/10 | |
| Bias control | 10.0/10 | |
| Statistical methods | 10.0/10 | |
| Reporting completeness | 10.0/10 | |
| Conflicts & funding | 5.0/10 | |
| Replication | 0.0/10 | |
| Relevance to chosen population | 5.0/10 | |
| Journal Reliability | 5.0/10 |
Additional Notes
This randomized, double-blind, placebo-controlled trial evaluated the effects of Ceylon cinnamon extract on lipid and glucose levels in adults with LDL-C between 100-190 mg/dL. The extract significantly reduced fasting blood sugar levels, especially in those with type 2 diabetes, but did not significantly affect LDL-C levels.
Assessed on the study's full text across 8 quality dimensions; conflict-of-interest disclosures were reviewed.
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