The highly prized brown bark of the cinnamon tree, is available in its dried form as a stick (known as a quill), or as ground powder. Cinnamon has been used for ages as a spice and medicine. It has levels of antioxidants greater than any other spice. Cinnamon is also a good source of vitamins and minerals such as A and B-complex, chromium, iron, calcium and zinc. It is used all over the world, but most commonly in Indian, Greek, Mediterranean, Mexican and North African cuisine.