Which cinnamon is toxic to humans? Understanding the Coumarin Risk
•
4 min read
An estimated 95% of the cinnamon sold in the United States and Canada is the Cassia variety, which contains high levels of a compound called coumarin that can be toxic in large amounts. While a dash on your morning toast is typically safe, understanding which cinnamon is toxic to humans when consumed regularly is crucial for long-term health, particularly for those with pre-existing liver conditions.