Coumarin Content Ceylon Cinnamon : 0.017g/kg Cassia Cinnamon : 0.31 g/kg Ceylon Cinnamon has low Coumarin levels of 0.02% compared to 0.4 - 0.8% for Cassia type Cinnamon. Even at levels of 0.4 - 0.8% Coumarin is considered dangerous to your liver.
high blood glucose is actually good for health , it helps ur nerves and cells to recover themselves, once they are healed the gluocse level will drop back.