Botanical

Peppermint (Nausea)

Also known as: Mentha piperita, Peppermint oil, Menthol

Evidence

Aromatherapy and oral peppermint for nausea relief, particularly post-operative nausea.

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

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Primary uses

Post-operative nausea
General nausea
Digestive upset

How it works

Relaxes GI smooth muscle
Menthol has cooling effect
Aromatherapy reduces nausea
Carminative

Dosage

Typical range: Aromatherapy: inhale as needed; Tea: 1-2 cups
Timing: As needed for nausea
With food: Either way
Duration: As needed
Special populations: Post-surgical patients, general nausea

Forms

Aromatherapy/inhaled
Tea
Capsules (enteric)
Oil (diluted)

Safety

Common side effects

Heartburn
Allergic reactions rare

Contraindications

GERD (oral)
Infants (menthol)

Evidence notes

Good evidence especially for post-op nausea aromatherapy

Grade B: Some human trials support key claims; further confirmation needed.

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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.