Peppermint
A widely-grown aromatic herb whose leaf and oil have strong evidence for digestive comfort, IBS relief, and tension headaches.
- Strong evidence for irritable bowel syndrome
- Eases functional dyspepsia
- Antispasmodic — relaxes digestive smooth muscle
- Topical application eases tension headache
- Provides cooling sensation via TRPM8 receptors
- Eases mild post-operative nausea
- Approved by Germany's Commission E for IBS
- Used since ancient Egypt
Active in Menthol, Menthone, Menthyl acetate, Flavonoids.
Evidence in context
Leaf, tea, and peppermint oil are different preparations. Some research supports enteric-coated peppermint oil for IBS symptoms in adults. Evidence for peppermint leaf is insufficient; results for oil cannot simply be transferred to tea.
Oral oil can cause heartburn. Menthol should not be applied to the face of infants or young children. Discuss medicines and the exact preparation with your provider.
NCCIH reference → · Source checked September 14, 2026
Related literature · not reviewed for these claims
These papers were imported by topic. They may concern plants, laboratory work, or different preparations. Inclusion here does not establish a human health benefit or support the claims above. How to read our sources →
- Melatonin-iron oxide nanoparticles synergy enhances salt tolerance in Mentha × piperita L.
- In-vitro analysis, metabolic profiling and in-silico molecular docking analysis shows antidiabetic potential of phytofabricated cerium oxide nanoparticles against diabetes related receptors.
- Mitigation of salinity stress in Mentha piperita L. through foliar application of chitosan-salicylic acid encapsulated ZnO nanoparticles.
- Comparative assessment of drying kinetics and physicochemical properties of vegetables under different solar drying methods.
- Reduced geomagnetic field modulates photosynthetic electron flow, menthol yield, flavonoid photoprotection and ROS homeostasis in peppermint (Mentha × piperita L.).