Herbs

Peppermint oil

Also called: peppermint, menthol

Oil from peppermint leaves, often in coated capsules.

Why people take it
Irritable bowel syndrome (IBS), indigestion.
What the evidence says
Enteric-coated capsules ease IBS symptoms in several trials.
How it is usually taken
Enteric-coated capsules of 180 to 200 mg up to three times a day before meals for IBS.
Be careful
Can worsen heartburn. Do not give the oil to young children.
Medicines it can interact with
Antacids and acid reducers dissolve the coating too early, causing heartburn.

Other herbs

EchinaceaElderberryGarlic extractGingerMilk thistleSaw palmettoSt John's wortValerianChamomileLemon balmPassionflowerKavaRhodiolaGinkgoMoringaFenugreekCinnamonBlack seedLicoriceBoswellia

Common questions

What is Peppermint oil?

Oil from peppermint leaves, often in coated capsules.

Why do people take Peppermint oil?

Irritable bowel syndrome (IBS), indigestion.

Does Peppermint oil work?

Enteric-coated capsules ease IBS symptoms in several trials.

How much Peppermint oil do people take?

Enteric-coated capsules of 180 to 200 mg up to three times a day before meals for IBS.

Is Peppermint oil safe?

Can worsen heartburn. Do not give the oil to young children.

Does Peppermint oil interact with medicines?

Antacids and acid reducers dissolve the coating too early, causing heartburn.

Sources and further reading

Last reviewed 31 October 2026. Written by Satya Babu.

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For information only, not medical advice. Supplements are not medicines: they are not tested and approved like drugs before they are sold, and they can interact with medicines. Talk to your doctor or pharmacist before you start one, especially if you are pregnant or breastfeeding, take regular medicines, or have kidney, liver or heart disease.