Ceylon vs Cassia — does it really matter?

For an occasional sprinkle, no. For a daily habit, yes. Cassia contains roughly 100× more coumarin than Ceylon; regularly exceeding about a teaspoon of Cassia can push a small adult over the European Food Safety Authority's tolerable daily coumarin intake. Ceylon lets you enjoy cinnamon every day without doing the math.

How much cinnamon actually helps blood sugar?

Meta-analyses of randomised trials in type 2 diabetes typically pool doses of 1–6 g/day of powder or 500–1,000 mg/day of extract. Fasting glucose and HbA1c effects are real but modest — a helpful thread inside a broader diet, exercise, and medication plan, not a substitute for any of them.

Is cinnamon safe in pregnancy?

Culinary amounts in food and tea are considered safe. Concentrated extracts and heavy Cassia use are not well studied in pregnancy and are best avoided; a stick in your evening chai is a very different thing from a daily capsule.

Can I take cinnamon with my blood-sugar medication?

Small culinary amounts are fine. Standardised cinnamon extracts on top of insulin or a sulfonylurea can add to their glucose-lowering effect; talk with your clinician and watch for signs of hypoglycemia before adding a daily supplemental dose.

What is the 'cinnamon challenge' and is it dangerous?

Swallowing a spoonful of dry cinnamon powder is a social-media dare, not a home remedy. It can cause coughing, choking, aspiration into the lungs, and chemical pneumonitis. Cinnamon belongs in food and tea — never dry by the spoonful.

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Cinnamon

Warms circulation, balances sweetness.

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Evidence: Moderate
Reviewed by: Moji Tehrani, founder
Last reviewed: July 2026

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