Cinnamon is a highly delicious spice. It has been prized for its medicinal properties for thousands of years, with modern science confirming what people have known for ages. It is a great source of fibre, manganese, and calcium. Its research-tested benefits are diverse, but these are the big ones: Antioxidants: Cinnamon has been shown to act as a powerful antioxidant.Cinnamon has many desirable medicinal and soothing effects and is used frequently in herbal medicine. The distinctive smell and flavor of cinnamon is due to the essential oils contained in the bark. Cinnamon also contains large amounts of antioxidants. Antioxidants can help protect the body from disease and are found in fruits, vegetables, herbs and spices. The antioxidants in cinnamon have been found to have anti-inflammatory effects.It is also high in manganese and contains small amounts of calcium and fibre.