Cinnamon Benefits: How It Helps Lower Blood Sugar and Cholesterol (Ceylon vs Cassia – Coumarin Warning)

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 Cinnamon is commonly used as a spice in baked goods and traditional drinks like Korean sujeonggwa, though it’s not a staple in most kitchens. However, cinnamon has been valued as a medicinal ingredient since ancient times.

 If you’re interested in supporting healthy blood sugar or cholesterol levels, cinnamon can be more than just a flavorful spice—it may complement a balanced health routine.

Ceylon vs Cassia cinnamon: effects on blood sugar, cholesterol, and circulation
Ceylon vs Cassia cinnamon: effects on blood sugar, cholesterol, and circulation


1. Understanding Cinnamon: Ceylon vs Cassia

Cinnamon is generally classified into two types

TypeCeylon Cinnamon (True Cinnamon)Cassia Cinnamon
OriginSri Lanka, India, etc.China, Vietnam, Indonesia
CharacteristicsThin, delicate bark; mild, sweet aromaThick, hard bark; strong, spicy aroma
PriceRelatively expensiveAffordable (commonly sold as “cinnamon”)
Key CompoundVery low coumarinHigh coumarin content

⚠️ Coumarin: What You Need to Know

Coumarin gives cinnamon its distinct aroma, but excessive intake can cause liver toxicity. If you plan to consume cinnamon daily for health reasons such as blood sugar management, it’s safest to choose Ceylon cinnamon with minimal coumarin.

For occasional use in baking or drinks, cassia is generally fine. But for consistent, daily consumption, Ceylon cinnamon is the better choice.

Woman with cold hands and feet benefiting from the warming effect of Ceylon cinnamon
Woman with cold hands and feet benefiting from the warming effect of Ceylon cinnamon


2. 3 Scientifically Backed Benefits of Cinnamon for Blood and Vessels

Cinnamon contains cinnamaldehyde and various polyphenols that offer significant advantages for your circulatory system.

① Blood Sugar Support: Improves Insulin Sensitivity

Cinnamon may help reduce insulin resistance, a condition where cells become less responsive to insulin, making it harder for glucose to enter cells. By enhancing insulin effectiveness, cinnamon helps prevent sharp spikes in post-meal blood sugar levels.

② Cholesterol & Triglycerides: Anti-Inflammatory and Antioxidant Support

Research shows cinnamon can lower LDL cholesterol and triglycerides. Its antioxidant properties reduce vascular inflammation and prevent cholesterol from oxidizing on blood vessel walls, making it beneficial for managing high cholesterol.

③ Improved Circulation & Natural “Warmth”: Blood Clot Prevention

Cinnamon has a warming effect, which is especially helpful for those prone to cold hands and feet. It has been shown to influence platelet aggregation, which may support healthy blood flow and overall cardiovascular function.

Woman adding half a teaspoon of Ceylon cinnamon to coffee to support blood circulation
Woman adding half a teaspoon of Ceylon cinnamon to coffee to support blood circulation


3. How to Safely Enjoy Ceylon Cinnamon

Cinnamon can easily be incorporated into your daily routine through drinks or breakfast recipes. The recommended daily amount balances both effectiveness and safety.

1) Everyday Routine: Add to Coffee (~1g)

  • How: Mix about ½ teaspoon of finely ground cinnamon into your warm coffee.

  • Benefits: Enhances flavor, reduces post-meal blood sugar spikes, and works best in black coffee or milk-free lattes.

2) Health Boost: Add to Detox Juices (~2–3g)

  • How: Add 1 teaspoon of cinnamon to your morning ABC juice (apple, beet, carrot) or cabbage-beet juice.

  • Benefits: Enhances flavor and may help support healthy blood sugar and cholesterol levels while complementing a fiber-rich diet.

3) Safety Tips

  • Always choose Ceylon cinnamon if consuming daily.

  • Daily intake is commonly kept within a few grams, though appropriate amounts may vary depending on individual health conditions.

References

  • Kim S., et al. Effects of Cinnamon on Blood Sugar and Cholesterol, Journal of Korean Society of Food & Nutrition, 2018;51(5):465–474.

  • Rural Development Administration. Cinnamon (Cinnamomum spp.) Functional Research Report, 2020.

  • Lee E., et al. Comparison of Ceylon and Cassia Cinnamon and Safe Consumption Guidelines, Korea Institute of Oriental Medicine, 2019.

  • Ranilla, L.G., et al. Cinnamon and Health: A Review, Plant Foods for Human Nutrition, 2010;65:225–234.

  • Khan, A., et al. Cinnamon Improves Glucose and Lipids in Type 2 Diabetes, Diabetes Care, 2003;26(12):3215–3218.

Disclaimer

This article is for informational purposes only and is not a substitute for professional medical advice. Consult a healthcare provider for personalized recommendations.

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