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Metabolic Health

Cinnamon Extract (Ceylon)

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

B
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.

Add Nutricost Berberine HCI with Ceylon Cinnamon Capsules to your stack — free
The highest-scored Cinnamon Extract (Ceylon) product in our catalog (91/100). Track dose and overlaps in the app.
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Every Cinnamon Extract (Ceylon) product we have scored

Scored on dose accuracy, form, label transparency and third-party testing. Per-serving cost is list price divided by servings per container. No brand pays to be listed or ranked.

Common questions

How much Cinnamon Extract (Ceylon) should I take?

The typical range is 250-500mg extract or 1-6g powder. Ongoing

When should I take Cinnamon Extract (Ceylon)?

With carb-containing meals. Yes.

Which form of Cinnamon Extract (Ceylon) is best?

Ceylon extract — Low coumarin. Other forms in the catalog: Cassia.

Is Cinnamon Extract (Ceylon) safe?

Commonly reported: Rare. Serious warnings: Cassia contains coumarin (liver toxic long-term). Use Ceylon to avoid coumarin

Which Cinnamon Extract (Ceylon) supplement scores highest?

Nutricost Berberine HCI with Ceylon Cinnamon Capsules, at 91/100. Scored on dose accuracy, form, label transparency and third-party testing — no brand pays to be listed or ranked.

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.

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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.