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Are you a fan of black tea? Here are 8 things it does to your body

Black tea is loved worldwide, but what does it do to your body? Although it has advantages such as boosting heart health and gut support, it can also create problems such as acidity, dehydration and bad sleep if consumed in excess. Here are eight ways in which black tea can impact your health

September 08, 2025 / 13:28 IST
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From boosting heart health and focus to staining teeth and disturbing sleep, here’s how black tea impacts your body—both the good and the not-so-good. (Image: Pexels)

Black tea is among the most popular beverages in the world, appreciated for its bold flavour and energy lift. It is filled with antioxidants and natural compounds that have a positive impact on the diet when eaten in moderation. The drink, however, has its upsides and downsides to the body as any other drink, depending on the dosage and how often you drink it.

Black tea is produced from the leaves of the Camellia sinensis plant, and it comes fully oxidized to give it its deep colour and bold flavour. It’s loaded with caffeine and polyphenols, as well as other bioactive compounds that specifically interact with digestion, metabolism and general health. It can be a nice alternative to sugary beverages and a good source of quick energy, but when consumed in excess, it can cause problems like dehydration, digestive upset and sleep troubles.

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“If you’re a fan of black tea, it is important to know what it does to your body,” says Dr. Arjun Mehta, A Delhi-based Nutrition and Wellness Specialist, and adds. “Black tea in moderation can be a great addition to your diet. But overindulging can sometimes do more harm than good, particularly when it comes to hydration and sleep.”