Reviewed guidance
Peppermint leaf has a recognized traditional use for relieving mild digestive symptoms such as indigestion and flatulence. This is based on long-standing use rather than strong clinical-trial evidence.
Traditional symptomatic relief of mild digestive disorders such as dyspepsia and flatulence in adults.
How to use it: Peppermint leaf can be prepared as an infusion. Preparation instructions are kept separate from this ingredient-level health-use claim.
Avoid with peppermint or menthol allergy or reflux/heartburn. Use caution with gallstones or biliary disorders. Medicinal use is not recommended during pregnancy or breastfeeding because safety data are insufficient.
Get medical care for symptoms that are severe, last longer than expected, get worse, or otherwise concern you.
Practical ways to use the ingredient may not provide the same form or amount discussed in the evidence.
Evidence transparency
European Medicines Agency · 2020
EMA HMPC monograph directly supports the traditional-use classification and indication; it is not represented as randomized-trial efficacy evidence.