Botanical

Peppermint Oil (Enteric-Coated)

Also known as: IBgard, Mentha piperita, Enteric peppermint

Evidence

Enteric-coated peppermint oil for IBS symptoms, relaxing intestinal smooth muscle and reducing spasms.

Last reviewed June 2026 · Evidence graded from peer-reviewed research, not editorial opinion. Educational only — not medical advice.

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Primary uses

IBS symptoms
Abdominal pain
Bloating
Intestinal spasms

How it works

Relaxes intestinal smooth muscle
Calcium channel blocking effect
Reduces intestinal spasms
Carminative (reduces gas)

Dosage

Typical range: 0.2-0.4ml (180-360mg) 2-3x daily
Timing: 30-60 minutes before meals
With food: Before meals on empty stomach
Duration: As needed for symptoms
Special populations: IBS, functional GI disorders

Forms

Enteric-coated capsules
IBgard

Safety

Common side effects

Heartburn if not enteric-coated
Perianal burning
Allergic reactions

Contraindications

GERD/hiatal hernia (use enteric-coated)
Gallstones
Severe liver disease

Evidence notes

Strong evidence for IBS symptom relief

Grade A: Multiple well-designed human trials support the main claims.

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Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider. Individual needs and risks vary — consult a professional before starting, stopping, or combining supplements, especially if you are pregnant or nursing, taking medication, or managing a health condition.