Peppermint oil dropped blood pressure in mildly hypertensive adults

cardiovascular · Examine.com Study Summaries — June 8–15, 2026 · 2026

In 40 adults with prehypertension, 20 days of oral peppermint oil (50 μL twice daily) cut systolic BP by ~8 mmHg, diastolic by ~5 mmHg, and resting heart rate by ~9 bpm vs. placebo.

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In 40 adults with prehypertension, 20 days of oral peppermint oil (50 μL twice daily) cut systolic BP by ~8 mmHg, diastolic by ~5 mmHg, and resting heart rate by ~9 bpm vs. placebo.

  • peppermint oil
  • blood pressure
  • hypertension
  • heart rate