Peppermint Oil and Irritable Bowel Syndrome

In a review of nine studies (N=726) on the use of peppermint oil for irritable bowel syndrome, peppermint oils was found to be significantly superior to placebo for reducing both symptoms and abdominal pain.

J Clin Gastroenterol. 2014 Jul;48(6):505-12. PMID: 24100754.