Introduction

This fact sheet provides basic information about peppermint oil--uses, potential side effects, and resources for more information. The herb peppermint, a cross between two types of mint (water mint and spearmint), grows throughout Europe and North America. Peppermint is often used to flavor foods, and the leaves can be used fresh or dried in teas.

Common Names--peppermint oil

Latin Names--Mentha x piperita

What It Is Used For

• Peppermint oil has been used for a variety of health conditions, including nausea, indigestion, and cold symptoms.
• Peppermint oil is also used for headaches, muscle and nerve pain, and stomach and bowel conditions such as irritable bowel syndrome.

How It Is Used

Essential oil of peppermint can be taken in very small doses in capsule or liquid forms. The essential oil can also be diluted with another oil and applied to the skin.

What the Science Says

• Results from several studies suggest that peppermint oil may improve symptoms of irritable bowel syndrome.
• A few studies have found that peppermint oil, in combination with caraway oil, may help relieve indigestion, but this evidence is preliminary.
• Although there are some promising results, there is no clear-cut evidence to support the use of peppermint oil for other health conditions.