New Research Links Tea and Dark Chocolate Consumption to Lower Blood Pressure

A comprehensive review by researchers at the University of Surrey suggests that the regular intake of foods rich in flavan-3-ols, such as tea, dark chocolate, apples, and grapes, may contribute to healthier blood pressure levels and improved vascular function. The study, published in the European Journal of Preventive Cardiology, analyzed data from 145 controlled trials and found that consistent consumption of flavan-3-ols can lead to meaningful reductions in blood pressure, particularly in individuals with elevated readings or hypertension. Notably, the blood pressure-lowering effects observed in some cases were comparable to those achieved with certain medications.

Beyond blood pressure reduction, flavan-3-ols were also associated with enhanced endothelial function—the health of the inner lining of blood vessels—which is vital for overall cardiovascular health. These benefits appeared to occur independently of blood pressure changes, indicating a broader positive impact on circulatory health.

Lead researcher Professor Christian Heiss emphasized that incorporating flavan-3-ol-rich foods into daily diets could be an accessible strategy for managing blood pressure and supporting heart health. He advised that while this approach is promising, it should complement, not replace, medical treatments and lifestyle advice. Regularly enjoying small amounts of tea, dark chocolate, or foods like apples and grapes might offer additional benefits for those aiming to improve cardiovascular well-being.

These findings highlight the potential of simple dietary modifications to promote vascular health and manage hypertension, though further research is necessary to fully understand optimal intake levels and long-term effects.

Source: https://medicalxpress.com/news/2025-05-tea-chocolate-blood-pressure.html