Meta-analysis showed that green tea consumption caused a significant reduction in systolic blood pressure and total and LDL cholesterol. The effects on diastolic blood pressure, HDL cholesterol, and triglycerides were not significant.
The overall outcome of the meta-analysis suggested that green tea consumption significantly decrease systolic blood pressure (SBP) level by −1.98 mmHg (95% CI: −2.94, −1.01 mmHg; P < 0.001).
High blood pressure.
Drinking more than 600 mL daily is linked to an even lower risk. Also, early clinical research suggests that taking green tea extract daily for 3 months or drinking green tea three times per day for 4 weeks reduces blood pressure in people with high blood pressure.
Caffeinated green tea consumption has been shown to lower BP among people with prehypertension and stage 1 hypertension8 and reduce the risk of mortality from all causes and CVD among those with CVD9 and the general population.
Relative to caffeine, there were further acute increases in systolic and diastolic blood pressure at 30 min among those drinking green tea [5.5 mmHg (95%CI -1.4 to 12.4) and 3.1 mmHg (95%CI -0.1 to 6.3), respectively] and black tea [10.7 mmHg (95%CI 4.0 to 17.4) and 5.1 mmHg (95%CI 1.8 to 8.4), respectively].
People with peptic ulcers or acid reflux should not consume green tea excessively. A 1984 study concluded that tea is a potent stimulant of gastric acid, which can be reduced by adding milk and sugar. 2.
Drinking tea may be a healthy habit you can add to your lifestyle to help manage your blood pressure levels which you should discuss with your doctor. Remember to consume any teas in moderation since most contain caffeine (including green tea, which contains naturally-occurring caffeine).
Beta-blockers, Propranolol, and Metoprolol -- Caffeine (including caffeine from green tea) may increase blood pressure in people taking propranolol and metoprolol (medications used to treat high blood pressure and heart disease).
Yes, studies have shown that regular consumption of decaffeinated or low-caffeine green tea can lead to a significant reduction in both your systolic and diastolic blood pressures.
Green tea is packed full of health-promoting compounds. Regularly drinking green tea can help you lose weight and reduce your risk of several diseases, including diabetes, heart disease and cancer. Drinking three to five cups of green tea per day seems to be optimal to reap the most health benefits.
A good-quality review from 2011 found drinking green tea enriched with catechins led to a small reduction in cholesterol. Similarly, a 2013 review of 11 studies found that having green or black tea daily (either as a drink or capsule) could help lower your cholesterol and blood pressure.
What causes high blood pressure? High blood pressure usually develops over time. It can happen because of unhealthy lifestyle choices, such as not getting enough regular physical activity. Certain health conditions, such as diabetes and having obesity, can also increase the risk for developing high blood pressure.
Drinking more than 4 cups of coffee a day may increase your blood pressure. If you're a big fan of coffee, tea or other caffeine-rich drinks, such as cola and some energy drinks, consider cutting down.
Honey has been linked to beneficial effects on heart health, including reduced blood pressure and blood fat levels.
For people already diagnosed with diabetes, green tea may be able to help manage blood sugar levels. According to a comprehensive review , green tea consumption is associated with decreased fasting glucose levels and A1C levels, as well as reduced fasting insulin levels, which are a measurement of diabetes health.
To see if caffeine might be raising your blood pressure, check your blood pressure before drinking a cup of coffee or other caffeinated beverage and again 30 to 120 minutes afterward.
Pooled analysis suggested that ginger supplementation can reduced systolic BP (MD: -6.36 mmHg, 95% confidence interval [-11.27, -1.46]; I2 = 89.8%; P = . 011) and diastolic BP (MD: -2.12 mmHg, 95% confidence interval [-3.92, -0.31]; I2 = 73.4%; P = . 002).
Something as simple as keeping yourself hydrated by drinking six to eight glasses of water every day improves blood pressure. Water makes up 73% of the human heart,¹ so no other liquid is better at controlling blood pressure.
Green tea can cause side effects due to caffeine. These can include anxiety, tremors, irritability, and sleeping problems. This is more likely if you're sensitive to caffeine or take large doses. Side effects are less common with green tea than with other drinks that have caffeine.
Therefore, if you are sensitive to caffeine, consider avoiding drinking green tea for up to 6 hours before bed to prevent sleep problems. Certain compounds in green tea may inhibit the absorption of iron and other minerals, so it's best to drink it between meals.
Oolong tea has properties of dark and green tea. It is not well known but is loaded with health benefits. This tea is again rich in antioxidants which make it good for heart health.
Magnesium intake of 500 mg/d to 1000 mg/d may reduce blood pressure (BP) as much as 5.6/2.8 mm Hg. However, clinical studies have a wide range of BP reduction, with some showing no change in BP.
Citrus, such as lemon and limes, has been shown to reduce blood pressure and has the added benefit of adding a little flavor to a boring glass of water.