Peppermint oil is used for a variety of health conditions, including nausea, indigestion, and cold symptoms. It is an excellent digestive aid. It eliminates gas, bloating and abdominal cramps. It improves circulation and the production of digestive fluids. All natural peppermint oil relieves headaches, nausea and soothes spastic colon. It is also a great expectorant. Use externally to treat colds, flus and fevers, it cools down the body, and relieve a variety of respiratory conditions.