Not all cinnamon is created equal. The more common cassia variety found in most supermarkets contains high levels of coumarin which can be toxic to the liver. Ceylon cinnamon contains so little coumarin that it often doesn’t show up on testing.
Organic Cinnamon Powder (Ceylon True) - Forest Whole Foods
Organic Cinnamon Powder (Ceylon True) 500g - Forest Whole Foods
Organic Cinnamon Powder (Ceylon True) 250g - Forest Whole Foods
Organic Cinnamon Powder (Superior Sri-Lankan True Ceylon) Choose Size
Starwest Botanicals Organic Cinnamon Powder - 1 Pound - Freshly Ground Korintje Cinnamon