Peppermint is high in Vitamin C and A and in manganese. There are many traditional therapeutic uses of peppermint. These include, treating nausea, indigestion and cold symptoms as well as for stomach and bowel conditions such as IBS. Peppermint has also demonstrated strong antimicrobial effects against viral, bacterial and fungal infections. Extracts of peppermint have also been shown to help relieve the nasal symptoms of allergic rhinitis (colds related to allergy).