Cinnamon is derived from a tropical evergreen tree that grows up to 45 feet tall and has highly fragrant bark, leaves, and flowers. Extracted from the bark, cinnamon oil supports healthy metabolic function and helps maintain a healthy immune system when you need it most. Due to its high cinnamaldehyde content, cinnamon must be diluted with fractionated doTERRA coconut oil when applied to the skin. Two drops are needed for internal benefits. Cinnamon supports healthy metabolic function and helps maintain a healthy immune system, especially when seasonal threats are high. Cinnamon is frequently used in mouthwashes and gums. It has a long history of culinary uses, adding flavor to desserts, entrees, and hot drinks.