Cinnamon is a popular spice, used to flavor foods and beverages. This spice is also believed to play a role in your health, and may deliver several positive benefits. Cinnamon comes from the bark of trees found in China, India, and Southeast Asia. This bark is used in powder, capsule, tea, and liquid extract form, giving individuals several ways to take advantage of the potential health benefits of the spice. The two most common types of cinnamon include Ceylon, or "true," cinnamon and cassia, or Chinese, cinnamon.