Health Benefits of Black Tea

Health Benefits of Black Tea
Illustration of black tea. Credit: Freepik

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Drinking tea is a practice that not only enhances social gatherings but also offers a moment of relaxation with loved ones. Among the many varieties of tea, black tea stands out as a popular choice, often enjoyed at various events. Aside from its calming effect, black tea also provides numerous health benefits.

 

Health Benefits of Black Tea

Rich in Antioxidants

Black tea is loaded with antioxidants, which play a crucial role in combating free radicals in the body. These antioxidants help prevent cell damage, thereby lowering the risk of chronic diseases.

One type of antioxidant found in black tea is polyphenols. Thearubigin and theaflavin are the primary polyphenols responsible for the antioxidant effects in black tea.

Studies have shown that these compounds help reduce the risk of chronic diseases like diabetes and also contribute to lowering cholesterol levels.

Maintaining Heart Health

Black tea is a rich source of flavonoid antioxidants, which are vital for heart health. Regular consumption of flavonoids can assist in managing and preventing heart-related conditions, such as cardiovascular disease, obesity, type 2 diabetes, high cholesterol, and high blood pressure.

Lowering Bad Cholesterol (LDL)

Drinking black tea regularly has been shown to lower LDL cholesterol levels by about 4.64 milligrams per deciliter (mg/dL). This benefit is especially important for individuals at a higher risk of cardiovascular disease.

Improving Gut Health

The polyphenol antioxidants in black tea also support the growth of beneficial bacteria while inhibiting harmful bacteria in the digestive system. Maintaining a healthy balance of good bacteria can help manage digestive issues like inflammatory bowel disease and reduce the risk of other chronic conditions, including type 2 diabetes, obesity, and cancer.

Maintaining Blood Sugar Levels

Polyphenols in black tea have been found to improve insulin sensitivity and lower blood sugar levels. Research suggests that drinking black tea after meals or with snacks can help control blood sugar levels post-meal.

However, studies on black tea’s role in managing blood sugar levels are still inconsistent. If you have diabetes and are considering using black tea to manage your blood sugar, it’s best to consult your doctor first.

Reducing Stress

Black tea contains L-theanine, an amino acid that promotes focus and reduces stress. While caffeine generally increases alertness and L-theanine helps with relaxation, these two compounds balance each other out when consumed together. This makes black tea particularly helpful in boosting focus and staying calm, especially during stressful moments.

 

Side Effects of Consuming Black Tea

Black tea is generally safe for most people. While there is no specific limit on how much black tea can be consumed daily, experts recommend keeping it to no more than three cups per day.

Excessive consumption of black tea can lead to high caffeine intake, which may cause side effects such as:

  • Difficulty sleeping

  • Nervousness and restlessness

  • Headaches

  • Frequent urination

  • Irregular heartbeat

  • Nausea and vomiting

  • Ringing in the ears

  • Tremors

  • Anemia

If you experience any of these symptoms after drinking black tea, it’s advisable to reduce your intake. If the symptoms persist, consult a doctor for proper treatment. You can also use the health consultation feature on the Ai Care app, which is available for download from the App Store or Play Store.

 

Looking for information about nutrition, food and other diet tips? Click here!

 

Writer : Ratih AI Care
Editor :
  • dr Hanifa Rahma
Last Updated : Friday, 30 May 2025 | 11:21

Enloe, A. (2024). 9 Possible Health Benefits of Black Tea. Available from: https://www.healthline.com/nutrition/black-tea-benefits

Morales-Broen, P. (2023). What are the health benefits of black tea?. Available from: https://www.medicalnewstoday.com/articles/292160

Cleveland Clinic. (2023). How Black Tea Can Benefit Your Health. Available from: https://health.clevelandclinic.org/black-tea-benefits

Milelr, K. (2024). Black Tea. Available from: https://www.webmd.com/vitamins-and-supplements/black-tea-uses-and-risks

Brownstein, A. (2025). 10 Health Benefits of Black Tea, Supported by Research. Available from: https://www.verywellhealth.com/benefits-of-black-tea-8746881

O/Brien, S. (2024). Green Tea vs Black Tea: Which One Is Healthier?. Available from: https://www.healthline.com/nutrition/green-tea-vs-black-tea