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.
People with heart problems or high blood pressure, kidney problems, liver problems, stomach ulcers, and psychological disorders, particularly anxiety, should not take green tea. Pregnant and breastfeeding women should also avoid green tea.
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.
Yes, green tea can make you poop. Whether in the form of tea or matcha, green tea can have a slight laxative effect, but it's not as strong as some other natural laxatives. Still, if you enjoy green tea and are having trouble with mild constipation, green tea may help move things along.
The catechins in green tea have several studied health benefits, including improving the conditions of our digestive systems and reducing glucose levels in the blood. They reduce inflammation in the gut, as well and potentially stimulate the growth of healthy bacteria in our stomachs.
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).
Some of the best teas for high blood pressure include chamomile, lavender, rose, and hibiscus. These teas are known for their ability to lower blood pressure and improve heart health. You can enjoy any of these teas by steeping them in hot water for a few minutes. Then, simply drink and relax.
This is because tea contains tannins and oxalates which block the absorption of iron from iron-loaded foods. These compounds can bind iron with them which prevents their absorption in the blood. You must also avoid pairing iron-rich foods like nuts, green leafy vegetables, grains, lentils and cereals with tea.
DIURETIC EFFECT: Even though green tea contains a little amount of caffeine, it has a diuretic effect that stimulates urination. Drinking too much green tea increases your toilet trips.
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.
When consumed in moderation (around eight cups a day) green tea is reportedly safe for healthy adults to drink. However, drinking large amounts of green tea may cause side effects due to the fact it contains caffeine.
Both green and black tea can help lower cholesterol levels. Green tea is prepared from unfermented leaves and black tea from fully fermented leaves of the same plant. Researchers believe that catechins, a type of antioxidant found in tea, are responsible for its cholesterol-lowering effect.
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.
It's fine to drink tea and coffee as part of a balanced diet, but it's important that these drinks are not your main or only source of fluid.
Still, you can make lifestyle changes to bring your blood pressure down. 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.
Tea is one of the best beverages for arthritis patients due to its many health benefits. Green, black and white teas are all rich in anti-inflammatory compounds like polyphenols. Green tea is generally viewed as the most beneficial because of its active ingredient “epigallocatechin-3-gallate” or EGCG.