To lower your blood sugar levels with Cinnamon you should take around 1 to 2 tablespoons of the cinnamon.
Take a glass of warm tea or a cup of warm tea and mix in one or two tablespoons of the cinnamon into the warm tea and drink it that way.
Don't try taking the cinnamon directly on the spoon because it can cause choking and then possible death so always mix the cinnamon in with some tea or some other drink to take the cinnamon safely.
Within 30 minutes or so your blood sugar should start to lower to it's normal levels and if not you should seek medical attention.
Staying Hydrated, increasing your intake of fiber and exercising regularly as well as eating foods with a low Glycemic Index can help lower your blood sugar levels as well as regulate the blood sugar levels.