Cassia cinnamon contains coumarin, which can be harmful to the liver in large quantities. Ceylon cinnamon has much lower levels of coumarin. Some studies suggest that large amounts of cinnamon may ...

The other two varieties are Korintje cinnamon, from Indonesia, and Saigon cinnamon, from Vietnam. All these varieties of cinnamon differ in their flavour profiles and coumarin levels, making them ...

Cassia (or regular) cinnamon contains high levels of coumarin, and research indicates that excessive intake of coumarin may lead to liver toxicity and damage. Some people have developed mouth ...