Loading... Please wait...Contains aromatic compounds that increase the production of digestive fluids and enzymes, relieve smooth muscle spasms, increase blood circulation, promote sweating, relieve pain and are antiseptic. It also contains astringent compounds that shrink inflamed tissues. Spearmint has been used to treat indigestion, morning sickness, nausea, menstrual cramps, flatulence, muscle aches, flu and vomiting.