A new study found that cassia cinnamon may interfere with medications. Cinnamon oil and Ceylon cinnamon did not have the same effects. The researchers advise against taking cinnamon supplements. But ...

Q: My doctor says I have pre-diabetes. I have read your columns about the advantages of Ceylon cinnamon for people with diabetes. Would this help me with my pre-diabetes? Ceylon cinnamon is hard to ...

Melissa Breyer was Treehugger’s senior editorial director before moving to Martha Stewart. Her writing and photography have been featured in The New York Times, The Guardian, National Geographic, ...

Like sugar being converted into carbon dioxide in a batch of cinnamon roll dough, trouble has been fermenting in Denmark over the past few months. The metaphorical yeast behind the turmoil is an EU ...

Product image of NUTRAHARMONY Ceylon Cinnamon Capsules, featured in the company’s 2026 research on Ceylon cinnamon and berberine supplements, ingredient transparency, and routine compatibility. CASPER ...

Cinnamon offers health benefits but not all varieties are equal. Cassia cinnamon, common in supermarkets, contains high coumarin levels that can harm the liver. Ceylon cinnamon, or 'true cinnamon,' ...

A "huge" variation exists in the amounts of coumarin in bark samples of cassia cinnamon from trees growing in Indonesia, scientists are reporting in a new study. That natural ingredient in the spice ...