What Happens to Your Body if You Drink Green Tea Every Day?

11 June, 2020
Green tea is very beneficial for your body as long as you don't drink it in excess. The maximum recommended amount to get all of its benefits is two cups a day.

Green tea is a natural drink that has been part of traditional Chinese medicine for hundreds of years. Its consumption gradually spread throughout Asia over the centuries. These days, it’s cultivated in many other places around the world.

Unlike many other types of tea, this tea does n’t go through fermentation processes. Because of that, it’s able to keep practically all of its antioxidants and polyphenols. For that reason, it has several properties that can positively affect health. Do you know what happens when you drink green tea every day?

Benefits of drinking green tea every day

According to information published in Chinese Medicine, green tea has shown positive effects in the prevention of various diseases. Specifically, its medicinal properties are mostly attributed to its catechin content, especially epigallocatechin-3-gallate.

In addition, this same publication highlights that it’s a source of:

  • Proteins (15-20% dry weight)
  • Amino acids (1-4% dry weight)
  • Carbohydrates (5-7% dry weight)
  • Minerals and trace elements, (5% dry weight) such as calcium, magnesium, chromium, manganese, iron, copper, and zinc, among others.
  • Trace amounts of lipids (linoleic and α-linolenic acids)
  • Sterols (stigmasterol)
  • Vitamins (B, C, and E).

Therefore, it isn’t surprising that it’s also known as a “superfood.” However, it’s essential to clarify that it isn’t a substitute for medical treatments and doesn’t have miraculous properties. Its consumption should be considered a complement.


For any health problem, it’s essential to consult a professional. Similarly, it’s convenient to comment on your intention of trying green tea supplements, especially if you’re taking any medication. Now let’s review all the benefits of green tea in detail.

It can help with weight loss

A woman happy after losing weight because she drinks green tea every day.

The high concentration of polyphenols in green tea is connected to its capacity to improve metabolism and reduce weight. These antioxidant substances increase the amount of energy spent. They can also influence the body to avoid storing calories as fat. However, you should accompany it with a healthy diet and physical exercise.

You should also read: The 7 Best Fat Burning Beverages

Favors the prevention of diabetes

According to a publication in Integrative Medicine Research, the antioxidants in this natural drink may help control blood glucose and prevent type 2 diabetes. In addition, drinking it every day after eating prevents insulin peaks and the storage of sugar into fats.

Protects cardiovascular health

Doctor says green tea every day can be good

A small glass of green tea every day can lower the risk of various kinds of cardiovascular diseases. Cholesterol buildup and circulatory disorders are some examples of these.

According to research published in Current Medicinal Chemistry, its antioxidant substances, specifically catechins, prevent the formation of blood clots, cleanse the arteries, and control excess blood lipids.

Thus, they may also reduce the risk of heart attacks, stroke, and thrombosis.

Prevents cell degeneration

Green tea every day can help against certain diseases

The antioxidants in green tea create a protective barrier against the harmful effects of cell degeneration. They also stimulate the activity of neurons. According to research published in the journal Molecules, green tea may help prevent and treat neurodegenerative diseases, including cognitive dysfunction and memory loss.

Prevents kidney stones

A little green tea every day is a good way to reduce the risk of renal calcification and kidney stones. In addition, according to a study published in the Journal of Urology, its extracts reduce the production and size of calcium oxalate sediments. These are the sediments that sit in the kidneys and lead to stones.


Visit this article: 7 Warning Signs of Kidney Disease

Prevents cavities

A person getting their teeth checked.

Catechins, a type of chemical antioxidant found in green tea, help fight the viruses and bacteria that cause throat infections, cavities, and other mouth conditions.

According to the conclusions of a study published in the Journal of Clinical and Diagnostic Research, green tea mouthwash proved equally effective as chlorhexidine in fighting bacteria such as Streptococcus mutans.

Contraindications of green tea

It’s also important to mention the contraindications of green tea for certain special cases. Its consumption shouldn’t exceed two cups a day, since it may have negative consequences such as:

  • Headaches
  • Nervousness
  • Diarrhea
  • Difficulty sleeping
  • Irritability
  • Increased heart rate
  • Dizziness

Also, you should avoid green tea when you’re taking medications or drinking alcoholic beverages. This is due to its caffeine content. When you combine caffeine with other substances, it can cause undesired effects.

Experts recommend that pregnant women or women who are breastfeeding avoid drinking green tea. This is because it can cause adverse effects for the baby. Patients with high blood pressure, anemia, and digestive issues should also avoid drinking green tea or do so under medical supervision.


Responsible consumption of green tea is what determines whether or not it becomes beneficial for your health. Make sure you don’t exceed two cups of green tea per day and discover what it can do for your health.

  • Chacko SM, Thambi PT, Kuttan R, Nishigaki I. Beneficial effects of green tea: a literature review. Chin Med. 2010;5:13. Published 2010 Apr 6. doi:10.1186/1749-8546-5-13
  • Hursel, R., Viechtbauer, W., & Westerterp-Plantenga, M. S. (2009, September). The effects of green tea on weight loss and weight maintenance: A meta-analysis. International Journal of Obesity. https://doi.org/10.1038/ijo.2009.135
  • Pervin M, Unno K, Ohishi T, Tanabe H, Miyoshi N, Nakamura Y. Beneficial Effects of Green Tea Catechins on Neurodegenerative Diseases. Molecules. 2018;23(6):1297. Published 2018 May 29. doi:10.3390/molecules23061297
  • Suzuki Y, Miyoshi N, Isemura M. Health-promoting effects of green tea. Proc Jpn Acad Ser B Phys Biol Sci. 2012;88(3):88–101. doi:10.2183/pjab.88.88
  • Itoh, Y., Yasui, T., Okada, A., Tozawa, K., Hayashi, Y., & Kohri, K. (2005). Preventive effects of green tea on renal stone formation and the role of oxidative stress in nephrolithiasis. Journal of Urology173(1), 271–275. https://doi.org/10.1097/01.ju.0000141311.51003.87