Cinnamon, a common spice for centuries is claimed to have health benefits. The following article gives us some clarifications on just what that may mean and explores the current research.
Bottom Line: Stay away from cinnamon supplements due to dosage and purity problems as found in most supplements, by the way. When not regulated, they can cause liver damage, for example. The health claims of cinnamon are many, but more research is needed. In the mean time, enjoy its spice qualities.