Dried, whole or chopped leaves.
The European Medicine Agency (EMA) approved the following therapeutic indications: treatment of digestive disorders, such as dyspepsia (digestive disorder that occurs after meals and whose most common symptoms are nausea, bloating and stomach pain, heartburn and flatulence) and flatulence (gas). Using the essential oil orally, for the symptomatic treatment of digestive disorders, such as mild spasms, dyspepsia, flatulence and abdominal pain, and externally, for the symptomatic relief of mild headache.
The mint leaf has a spasmolytic action (to alleviate or relieve spasms) directly on the muscles of the digestive tract, choleretic (activates the production of bile in liver function) and carminative (helps expel gas). These actions are due mainly to essential oil, which also has a nasal effect and antipruritic antibacterial, antirheumatic, decongestant expectorant. The essence topically applied, causes slight analgesia. The aqueous extract of mint leaf has shown significant effects against various viruses.