How does cinnamon affect blood sugar levels, and what is the recommended intake?

Reviewed by Yoshinori Abe, MD

Internal Medicine

Can Cinnamon Lower Blood Sugar?

Yes, cinnamon may help lower blood sugar levels, particularly in people with type 2 diabetes. Research suggests it can improve insulin sensitivity and reduce fasting blood glucose. However, the ideal dosage is not clearly established, and effects vary by cinnamon type (Ceylon vs. Cassia) and individual health factors.

Key Points:

Cinnamon may improve insulin sensitivity
It can help reduce fasting blood sugar
Optimal dosage remains undefined
Most beneficial for people with type 2 diabetes

Because blood sugar changes can signal a range of underlying conditions—some minor, some serious—it's important not to rely on supplements alone. If you're experiencing symptoms like fatigue, excessive thirst, or unexplained weight changes, take a free, instant, online symptom check to better understand what may be going on and confidently plan your next steps.

Reviewed for medical accuracy: 07/14/2026

Important Next Steps

Discover if cinnamon affects blood sugar Learn whether cinnamon could lower glucose See if your cinnamon intake needs caution Find OTC options for blood sugar support Find a doctor for blood sugar concerns Understand medically valid cinnamon home remedies Discover if cinnamon is safe for you

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Explanation

Cinnamon has been studied for its potential to lower blood sugar levels. Research shows that cinnamon may help reduce fasting blood glucose, particularly in people with type 2 diabetes.

Effects on Blood Sugar

Reference 1 suggests that cinnamon use in type 2 diabetes can be beneficial in controlling blood sugar.
Reference 3 mentions that cinnamon intake can lower fasting blood glucose levels.

Recommended Intake

Although cinnamon shows promise, the studies do not specify an exact recommended daily amount. It is important to consult with a healthcare provider to determine what might be appropriate for individual needs.

In conclusion, while cinnamon might help manage blood sugar, it's best to use it as part of a broader approach to diabetes management, including diet and exercise. If you're experiencing symptoms related to blood sugar or want to better understand your health concerns, try Ubie's free AI-powered symptom checker to get personalized insights.

(References)

Allen RW, Schwartzman E, Baker WL, Coleman CI, & Phung OJ. (2013). Cinnamon use in type 2 diabetes: an updated systematic .... Annals of family medicine, 24019277.
Moridpour AH, Kavyani Z, Khosravi S, Farmani E, Daneshvar M, Musazadeh V, & Faghfouri AH. (2024). The effect of cinnamon supplementation on glycemic .... Phytotherapy research : PTR, 37818728.
Davis PA, & Yokoyama W. (2011). Cinnamon intake lowers fasting blood glucose: meta-analysis. Journal of medicinal food, 21480806.

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