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Sep 21, 2022 · Black tea is a caffeinated beverage that may have some health benefits, but also some side effects. Learn about the possible benefits and risks of black tea, such as alertness, antioxidants, diabetes, and anemia.
- Reduced iron absorption. Tea is a rich source of a class of compounds called tannins. Tannins can bind to iron in certain foods, rendering it unavailable for absorption in your digestive tract (2).
- Increased anxiety, stress, and restlessness. Tea leaves naturally contain caffeine. Overconsuming caffeine from tea, or any other source, may contribute to feelings of anxiety, stress, and restlessness (3).
- Poor sleep. Because tea naturally contains caffeine, excessive intake may disrupt your sleep cycle. Melatonin is a hormone that signals your brain that it’s time to sleep.
- Nausea. Certain compounds in tea may cause nausea, especially when consumed in large quantities or on an empty stomach. Tannins in tea leaves are responsible for the bitter, dry taste of tea.
Black tea is a fermented beverage made from the leaves of the Camellia sinensis plant. It contains caffeine and antioxidants, and has various health benefits and risks depending on the dose and individual factors.
Nov 17, 2023 · 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...
However, there are some potential risks. Drinking too much black tea, defined as more than four or five cups a day, could lead to problems due to caffeine. High intake might cause issues like headaches, insomnia, and digestive discomfort. On the positive side, black tea is rich in antioxidants, which can help protect your cells from damage.
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.
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Jul 2, 2024 · Black tea contains health-protective plant compounds. Drinking it regularly may reduce your risk of high blood pressure, dementia, and more.