Cinnamon can no longer be considered a safe and effective treatment for diabetes. The use of cinnamon to help treat diabetes remains controversial. We know that cinnamon is so good at controlling one’s blood sugar that you can cheat on a diabetes test by consuming two teaspoons of cinnamon the night before your glucose tolerance test. Basically, they make you drink some sugar water, and see how well your body can keep your blood sugar levels under control. And, if you eat those two teaspoons right when the test starts, or 12 hours before, you can significantly blunt the spike. A half teaspoon of cinnamon does not seem to be enough, but about a teaspoon a day does appear to make a significant difference. A review of the best studies done to date found that the intake of cinnamon by type 2 diabetics or prediabetics does lower their blood glucose significantly….