Part of the mint plant, the effectiveness of peppermint in relieving various symptoms associated with irritable bowel syndrome (IBS) has been well-documented. Researchers have attributed its relief of IBS symptoms, such as constipation and bloating, mainly to its antispasmodic properties. It contains menthol which has a relaxing effect on the intestinal smooth muscle. Similarly, in a recent study on peppermint in the form of an enteric-coated supplement for the treatment of IBS-associated pain, researchers found that it had a pain-relieving effect for most IBS participants in the study, again attributed to its antispasmodic effect.

It can also be used to fight infection and soothe headaches, luckily there are various ways to take it. Usually via a tea, topically and also as an essential oil (Some oils can also be added into the bath) is said to help with tension, pain, and swelling.