VOV.VN - India imported 3,986 tonnes of cinnamon from Vietnam in October, accounting for 39.2% of the total market share and representing a 50.1% increase from September, reported the Vietnam Pepper ...
“Cassia cinnamon has about 250 times the coumarin as Ceylon, and coumarin is suspected of causing liver damage at high doses.” Because of these cautions, Smithson recommended using the Ceylon variety.