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Drinking large amounts of black tea -- more than four or five cups a day -- may cause health problems. That's mostly because of caffeine -related side effects. Side effects of black...
Drinking black tea and taking verapamil can increase the risk of side effects for caffeine including jitteriness, headache, and an increased heartbeat. Warfarin (Coumadin) interacts with...
Although moderate tea consumption is typically healthy for most people, drinking too much may lead to side effects, such as anxiety, poor sleep, and headaches.
For example, the nutrients in black tea may reduce the risk of several cancers, protect the heart against atherosclerosis, and help maintain healthy blood pressure. In this article, learn more...
It contains two natural substances — caffeine and tannins — that have the potential to cause digestive problems, such as an upset stomach or nausea. The key is to enjoy black tea but don't go overboard. Only large amounts of caffeine and tannins are likely to produce unwanted side effects.
What are the side effects of black tea? Drinking black tea in moderation is usually safe. However, there is no particular standard dose on how much tea should be consumed.
Black Tea Side Effects. Despite its many benefits, black tea can also have potential side effects, especially when consumed in large quantities. May Cause Caffeine Overdose. Black tea contains caffeine, which can lead to restlessness, sleep problems, and headaches if consumed excessively. Could Lead to Iron Deficiency
1. Boosts Heart Health. Black tea’s antioxidant powerhouses, theaflavins and thearubigins, play a crucial role in reducing the risk of heart disease. These compounds help lower bad cholesterol while increasing good cholesterol, promoting better blood vessel function and reducing blood pressure.
Drinking at least two cups of black tea daily lowers the risk of death from any cause by almost 13% compared to people who do not drink tea, according to a recent study. As in other findings, the more tea participants drank, the lower the risk of cardiovascular disease, heart disease and stroke.
Despite its benefits, black tea does have some side effects that should be considered. The caffeine content in black tea can lead to increased heart rate, anxiety, or insomnia, especially if consumed in large amounts.