The research
NCCIH reports that in a 2019 review of 16 studies, cinnamon supplements helped reduce fasting blood glucose and insulin resistance in people with prediabetes and type 2 diabetes, while noting the studies differed in dose, length and participants (NCCIH). A 2013 meta-analysis found similar effects on fasting glucose (PubMed).
Cassia vs Ceylon
Cassia is the common supermarket cinnamon; Ceylon is “true” cinnamon. Cassia contains more coumarin, which in large amounts may harm the liver in sensitive people (NCCIH).
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See the Discount ›Easy food ideas
- Cinnamon on plain oatmeal instead of sugar.
- In plain Greek yogurt with berries.
- A dash in coffee instead of flavored syrup.
Swapping sugar for spice also lowers the glycemic load of your meal. See foods that spike blood sugar.
How much cinnamon is in food?
A teaspoon of ground cinnamon weighs about 2.6 grams. Sprinkling some on oatmeal or yogurt is a safe, tasty habit for most people. NCCIH notes that consuming cassia cinnamon usually does not include enough coumarin to cause significant problems, but some supplements may contain more (NCCIH). If you have liver disease, ask your doctor before taking concentrated cinnamon. See side effects.
Cinnamon in MetaGlucent
MetaGlucent pairs cinnamon bark with berberine, chromium, gymnema, bitter melon and banaba. See MetaGlucent vs cinnamon pills.
FAQ
How much cinnamon lowers blood sugar?
Studies used varying amounts; there is no official dose for blood sugar.
Is cinnamon tea good for blood sugar?
It is a pleasant, sugar-free drink; effects on blood sugar are modest.
Can cinnamon replace medication?
No.
Sources
- NCCIH: Diabetes and dietary supplements
- PubMed: Allen RW. Cinnamon use in type 2 diabetes, updated systematic review and meta-analysis. Ann Fam Med 2013
- NCCIH: Cinnamon
General information, not medical advice. Prices and terms come from the official MetaGlucent order and return pages, checked October 30, 2026; the checkout page and the label on your bottle take priority. Read our disclaimer.
