Cassia
What the research shows
No concerns
none of the findings here link it to harm
What research says
Studies in people
-
Benefit
Blood sugar after meals3
In young obese women, cassia cinnamon lowered the peak blood sugar after a sugary drink, but insulin stayed the same.
The signal at the top counts the findings in people and in animal and lab studies. A concern in studies of people outranks animal and lab studies, and “No concerns” needs at least one finding in people. When most findings in people point one way, the page leans that way (“Mostly”), and every finding is still shown. Findings whose study type is not stated are shown but not counted. This page is a reference, not medical advice. It describes what regulators and published research say. Talk to a doctor or dietitian about your own diet.
Products
The 6 most-scanned of 396 products on Open Food Facts that list cassia.
- Apple & raisin oat bars Deliciously ella · 150 g 0 additives
- curry cauliflower bites Holland & Barrett · 171 g 0 additives
- Baked Beans in tomato sauce Sainsbury’s Organic · 400 g 2 additives
- Apple & Raisin Oat Bar deliciously ella · 50 g 0 additives
- NYC Bagels Cinnamon & Raisin New York Bakery · 450 g 2 additives
- sweet potato pakora with red pepper, cumin and chilli Gosh! · 171 g 0 additives
References
- 1cassia: ingredient taxonomy entry. Open Food Facts.
- 2Cinnamomum cassia. Wikipedia. Accessed September 30, 2026. CC BY-SA 4.0.
- 3Gutierrez JL, Bowden RG, Willoughby DS. Cassia Cinnamon Supplementation Reduces Peak Blood Glucose Responses but Does Not Improve Insulin Resistance and Sensitivity in Young, Sedentary, Obese Women. J Diet Suppl. 2016;13(4):461-71. doi:10.3109/19390211.2015.1110222