Metabolic Health

Cinnamon Extract (Ceylon)

Also known as: Cinnamomum verum, Ceylon cinnamon, True cinnamon

Evidence

Ceylon cinnamon may support healthy blood sugar levels. Lower coumarin than cassia.

Last reviewed June 2026 · Evidence graded from peer-reviewed research, not editorial opinion. Educational only — not medical advice.

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Primary uses

Blood sugar
Insulin sensitivity
Glucose metabolism

How it works

May improve insulin sensitivity
May slow carbohydrate digestion
Antioxidant

Dosage

Typical range: 250-500mg extract or 1-6g powder
Timing: With carb-containing meals
With food: Yes
Duration: Ongoing
Special populations: Prediabetes, blood sugar management

Forms

Ceylon extract
Cassia

Safety

Common side effects

Rare

Contraindications

Liver disease (cassia)

Products containing Cinnamon Extract (Ceylon)

Top-scoring supplements in our catalog that list Cinnamon Extract (Ceylon) on the label. Each product is graded on Formulate's ingredient-level rubric — dose accuracy, form, transparency, and third-party testing.

Nutricost

Berberine HCI with Ceylon Cinnamon Capsules

Transparent Labs

Grass-Fed Beef Protein Isolate

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Evidence notes

Modest blood sugar support

Grade B: Some human trials support key claims; further confirmation needed.

Related in Metabolic Health

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Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider. Individual needs and risks vary — consult a professional before starting, stopping, or combining supplements, especially if you are pregnant or nursing, taking medication, or managing a health condition.