One of the main differences between these two types of cinnamon is that cassia contains higher concentrations of coumarin, which in high doses, can have a negative impact on liver and kidney health. Otherwise, many of their medicinal qualities are the same, as these two species are so closely related.
*This information has not been evaluated by the Food and Drug Administration. This information is not intended to diagnose, treat, cure, or prevent any disease. We recommend that you consult with a qualified healthcare practitioner before using herbal products, particularly if you are pregnant, nursing, or on any medications.