Drinking more than 8 cups of green tea daily is possibly unsafe. Drinking large amounts might cause side effects due to the caffeine content. These side effects can range from mild to serious and include headache and irregular heartbeat.
The Bottom Line. 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.
So you should consume it in moderation. Anything under two cups per day is safe. However, drinking more than 3-4 cups of green tea per day may have adverse health effects.
Excessive drinking of green tea can cause stomach problems, diarrhoea and can even cause iron deficiency. You may also experience insomnia. Hence, drink it in limit as excess of green tea can prove detrimental to your health.
Green tea, when drunk at a moderate rate of 8 cups per day or less, is considered safe for most adults.
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.
Many people in Japan where matcha has traditionally been consumed the most have upwards of three, four, even five cups of matcha per day.
Best for Overall Health: Green Tea
When it comes to tea, green tea gets the gold. “Green tea is the champ when it comes to offering health benefits,” says Czerwony. “It's the Swiss Army knife of teas.
Green tea's anti-inflammatory properties can help reduce skin irritation, skin redness, and swelling. Applying green tea to your skin can soothe minor cuts and sunburn, too. Due to its anti-inflammatory properties, studies have also found topical green tea to be an effective remedy for many dermatological conditions.
Green tea is an exceptionally healthy beverage. It contains caffeine and the antioxidant epigallocatechin gallate (EGCG), both of which appear to boost metabolism ( 71 , 72 ). EGCG is a catechin, which several studies suggest may help you lose belly fat.
Green tea has been consumed for thousands of years and for good reason. To gain many of the benefits, you should read this information. Palan says, “It is recommended to drink around 2 to 3 cups of it on a daily basis.” And keep in mind that there are drawbacks of consuming too much green tea.
Does Green Tea Reduce Belly Fat? Green tea has been shown to reduce belly fat (yay!) because green tea helps you lose visceral fat around your abdomen. This is excellent because this is the fat shown to be linked to increased risk for cardiovascular diseases, diabetes, and breast cancer.
Drinking green tea in moderate amounts (about 8 cups daily) is likely safe for most people. Green tea extract is possibly safe when taken for up to 2 years or when used as a mouthwash, short-term. Drinking more than 8 cups of green tea daily is possibly unsafe.
The best time to drink green tea for brain health is in the morning or early afternoon 1 to 2 hours after meals. As lack of sleep can cause increase anxiety and restlessness, it is best to drink this tea in the morning or early afternoon so that you do not interrupt your sleep routine.
Effect on sleep
For instance, evidence suggests that drinking 3–4 cups (750–1,000 ml) of low-caffeinated green tea throughout the day may reduce fatigue and levels of stress markers, as well as improve sleep quality ( 3 , 14 ).
Matcha green tea is considered one of the healthiest green tea because the entire leaf is consumed by tea drinkers. The beverage is commonly brewed as a matcha latte or traditionally according to principles of the Japanese tea ceremony.
Though moderate tea consumption is a very healthy choice for most people, exceeding 3–4 cups (710–950 ml) per day could have some negative side effects.
A type of antioxidant found in green tea, called EGCGs, is known to promote a healthy balance in blood sugar levels. A study reported in "Journal of Chromatography" in September of 2003 found that Japanese green tea contains more than 100x the levels of EGCGs as does Chinese green tea.
Green tea is synonymous with Japanese tea. It is the most consumed beverage in Japan, valued for its health and restorative properties. Drinking green tea (緑茶) is a custom that has been interwoven into Japanese culture, with almost every meal in Japan accompanied by a freshly brewed pot of green tea.
Most people like to enjoy 1-2 servings of matcha a day. Be sure not to consume more than 5 servings a day.
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.
A natural flush for your system, antioxidant-rich green tea will help your body increase the production of detoxification properties. Whilst also boosting your immune system while protecting your liver from the damaging effects of toxic substances such as alcohol.
Drinking green tea has not been associated with liver injury or serum aminotransferase elevations; indeed, cross sectional studies suggest that regular use of green tea is associated with lower serum ALT and AST values.