Peppermint is a perennial plant that produces light purple flowers and green leaves with serrated edges. Commonly used as a flavoring in products such as candy, chewing gum, toothpaste, and ice cream, peppermint also has been used traditionally to cool the body by promoting sweating, which can help support the respiratory system. Peppermint has also been widely used to support digestion and to soothe an occasional minor upset stomach.