Black tea offers a variety of health benefits, including improved cholesterol, better gut health and decreased blood pressure. Here are 10 health benefits of black tea, all backed by science.Hibiscus ‘Sour Tea’ Lowers Blood Pressure. Researchers from Mashhad University in Iran conducted a randomized controlled trial to evaluate whether Hibiscus sabdariffa, aka sour tea, is helpful for those with Stage 1 high blood pressure. 1 They recruited 46 patients and created two groups: a control group and a case group.High blood pressure can lead to many health problems.Uncontrolled hypertension increases your risk for stroke and is often managed with prescribed medicine. But in addition to consulting your doctor for an effective treatment plan, you might want to consider sipping on some tea to lower your blood pressure.. 7 Teas That Settle Your StomachThe flavor of English breakfast tea is stronger and more robust than that of green tea, and many who drink it say its rich flavor brings about a sense of alertness in the morning. Depending on its maker, the taste may be slightly sweet, bitter, or malty. An excellent English breakfast tea is hearty enough to stand up to milk and sugar, the most traditional accompaniments to this blend.Drinking tea can raise your blood pressure, but the spike is normally temporary and peaks 45 to 90 minutes after ingestion, according to the “American Journal of Hypertension,” If you have hypertension, or high blood pressure, the effect may be more acute, particularly if you are taking beta-blockers, metoprolol or propranolol to control your hypertension.High blood pressure can often be prevented or reduced by eating healthily, maintaining a healthy weight, taking regular exercise, drinking alcohol in moderation and not smoking. Healthy diet Cut down on the amount of salt in your food and eat plenty of fruit and vegetables.Start your day with a breakfast filled with key nutrients known to help with blood pressure. Getting enough potassium is essential, as it lowers blood pressure and counteracts sodium. Good Breakfasts for People With High Blood Pressure | Livestrong.comSome early research suggests that people who regularly drink green or black tea have a lower risk of having high systolic blood pressure, which is the top number of a blood pressure reading. Also, some research shows that drinking 4-5 cups of black tea per day reduces systolic blood pressure in people with normal or high blood pressure.3 Reasons to Drink More Tea: How Black Tea Benefits Triglycerides, Cholesterol, and Blood Pressure To get the most black tea benefits, try drinking up to one to three cups per day.