The fact that a high-dose combination of the essential oils of peppermint (Mentha×piperita L.) and caraway (Carum carvi L.) can have a symptom-relieving effect on gastrointestinal complaints has been empirically proven several times. There is evidence that patients with inflammatory bowel disease (IBD) may also benefit. To find out more about specific anti-inflammatory effects, an animal study was conducted. Menthacarin proved superior to the control group with respect to several inflammatory markers.