GoKawiilSmall trial finds peppermint oil supplement lowers systolic blood pressure
A 20-day randomized, placebo-controlled trial of 40 people with pre- and stage 1 hypertension found that those taking 100 μL of peppermint oil daily saw systolic blood pressure drop from 130.05 to 121.97 mmHg, compared to no meaningful change in the placebo group. The adjusted difference between groups was 8.48 mmHg, with high compliance and only one adverse event reported.
GoKawiil's interpretation of the reporting above, not reported fact.
Hypertension is a leading driver of cardiovascular disease worldwide, and existing drug treatments carry side effects and uncertain long-term benefits, so a cheap, low-risk supplement showing this scale of effect could be significant if validated. The study's small size and short duration mean it's an early signal rather than proof, and larger trials are needed before peppermint oil could be recommended as a treatment.
- 40-person trial found peppermint oil cut systolic blood pressure by 8.48 mmHg versus placebo over 20 days
- Compliance was high (93.3%) and side effects were minimal in the peppermint group
- Results are preliminary and require larger, longer studies before clinical use is justified
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See Omron Platinum Blood Pressure Monitor on Amazon → Affiliate link — we may earn a commission on purchases, at no extra cost to you. Product picked by AI based on this article; it is not a tested recommendation.Source: journals.plos.org — Jonathan Sinclair, 2026-08-24
Published there as: “Peppermint oil reduces blood pressure by 8.48 mmHg in small study”
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