Cinnamon can have an effect on blood sugar, lowering the body’s insulin resistance and possibly beneficial to those who are categorized as pre-diabetic. Loaded with healthy antioxidants, cinnamon can help protect your body from free radicals which can cause cell damage. Cinnamon may improve your good cholesterol, bad cholesterol, and triglyceride numbers. Full of antibacterial properties, cinnamon may help decrease plaque development on teeth. Cinnamon oil is also great for helping with tooth pain until you can see your dentist.