Peppermint oil lowered blood pressure in adults with mild hypertension during a 20-day study, offering a potentially inexpensive and effective treatment option. New research suggests that daily peppermint oil supplements may help reduce mildly elevated blood pressure. Researchers at the University of Lancashire found that taking 100 microliters (about 0.0034 fluid ounces) of peppermint oil […]This is a curated summary.