Dr Carrie Ruxton, a UK-based nutritionist, has praised the benefits of tea - especially black tea.
A major study published in the American Journal of Clinical Nutrition found that regular consumption of black tea significantly reduced both systolic and diastolic blood pressure. Those who drank three cups of tea a day had an average reduction of 2-3 mmHg in blood pressure compared to the control group. Although modest, the reduction is clinically significant, because even small reductions in blood pressure can significantly reduce the risk of stroke and heart attack, says Dr. Ruxton.
Compounds in tea help lower blood pressure
Black tea is rich in flavonoids, plant compounds that are particularly beneficial for heart health, explains Dr. Ruxton. Flavonoids help improve endothelial function, which regulates the dilation of blood vessels. Dilated blood vessels reduce blood pressure.
Additionally, black tea's natural compounds interact with the body's nitric oxide pathways to promote blood flow and reduce arterial stiffness — both important factors in maintaining healthy blood pressure.
How much tea should I drink to lower my blood pressure?
To reap the blood pressure benefits of tea, research suggests drinking three to four cups a day, Dr. Ruxton advises. That means adding a few more cups of tea to your daily routine, whether it's hot or flavored with lemon or mint.
Remember to steep the tea for at least 3-4 minutes to maximize the amount of flavonoids in the tea, according to Express .
Source: https://thanhnien.vn/chuyen-gia-dinh-duong-chi-cach-uong-tra-giup-ha-huyet-ap-cao-cuc-hay-185250527222557617.htm
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