Daily doses of peppermint oil have been shown to lower blood pressure in adults with above-average readings, according to a new clinical trial from the University of Lancashire. The study, published in the journal PLOS One, found that taking 100 microliters of peppermint oil daily for 20 days reduced both systolic and diastolic blood pressure. The supplements cost approximately £10 for a 90-day supply, or about one penny per day, the researchers said. [1][2]
The trial enrolled 40 participants aged 18 to 65 with mildly elevated blood pressure. The findings suggest that a widely available natural remedy already used for digestive issues could offer an affordable, drug-free option for managing hypertension. According to the researchers, hypertension affects roughly one in three U.K. adults — about 16 million people — and is a leading preventable risk factor for heart disease, stroke, kidney failure and vascular dementia.
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