Peppermint oil helps prevent muscle spasms. Ingestion of Peppermint oil is useful for treating IBS and soothing digestion. Applied topically peppermint oil is also useful for relieving headaches, nasal congestion and nausea. You Might Also Like Baking soda or white vinegar July 17, 2014 Fruit should always be eaten first thing in the morning or before other meals June 18, 2015 Grapefruit January 28, 2014