Nutrition
|
December 28, 2023

Health Benefits of Green Tea and How to Include It in Your Diet

Written By
Brittney Bertagna RN
Medically Reviewed by
Dr. Jessica Christie ND, CNS
Updated On
January 13, 2025

For centuries, a humble beverage has captivated cultures across the globe, revered for its potential to support overall health. But what is it about green tea that has stood the test of time? What beneficial properties lie within this ancient elixir? Today, we dive deep into the world of green tea, unraveling its fascinating history and exploring the potential health benefits it may offer.

[signup]

Green Tea’s Medicinal History

Green tea has a rich medicinal history that spans centuries and cultures. It has been used in traditional Chinese medicine and other ancient practices for its health-supporting properties. Green tea is derived from the plant Camellia sinensis and is consumed in various forms, including green, black, or Oolong tea. However, many potential health benefits have been associated with the consumption of green tea.

The origins of green tea can be traced back to India, where it was first exported to Japan during the 17th century. Since then, green tea has become an integral part of Japanese culture and is widely consumed for both its taste and its potential health benefits. In fact, Japan is one of the largest producers of green tea in the world.

One of the key components in green tea that is believed to contribute to its beneficial properties is a type of catechin called epigallocatechin-3-gallate (EGCG). Catechins are a group of natural compounds with antioxidant properties, and EGCG is the most abundant catechin in green tea. 

What are The Health Benefits of Green Tea?

Below are some researched benefits of green tea:

1. Antioxidant and Anti-inflammatory Effects 

Green tea is rich in catechins, particularly EGCG, which have antioxidant properties. These compounds can help neutralize harmful free radicals in the body, potentially reducing oxidative stress and inflammation. By combating oxidative stress, green tea may support overall health and well-being.

2. Cancer Prevention

Numerous studies suggest that green tea consumption is associated with a reduced risk of various types of cancer. The high polyphenol content in green tea, especially EGCG, has been linked to its potential anticarcinogenic effects. These compounds may help manage tumor growth and support cellular health.

3. Metabolic Syndrome Management 

Green tea catechins have shown promise in supporting the management of metabolic syndrome, which includes conditions like obesity, type II diabetes, and cardiovascular risk factors. Research suggests that long-term consumption of tea catechins may help support healthy weight management and blood sugar levels.

4. Cardiovascular Health

Green tea has been associated with various cardiovascular benefits. It may help support healthy cholesterol levels and improve the ratio of LDL to HDL cholesterol, contributing to heart health. Green tea catechins may also support endothelial function, which plays a crucial role in maintaining healthy blood vessels.

5. Neuroprotective Effects 

Some studies suggest that green tea and its constituents, particularly EGCG, may have neuroprotective properties. These compounds may help support brain health by reducing oxidative stress and inflammation.

What Happens If You Drink Green Tea Every Day?

Drinking green tea every day can be a part of a healthy lifestyle. Green tea is rich in polyphenols, which are antioxidants that may provide various health benefits. These polyphenols, particularly epigallocatechin-3-gallate (EGCG), are associated with many of the positive effects of green tea. Here are some potential effects of drinking green tea every day:

Reduced Risk of Chronic Diseases 

Green tea has been associated with a reduced risk of several chronic diseases. The polyphenols in green tea possess antioxidant properties, which may help support overall health. Additionally, green tea's potential to support healthy blood pressure levels may contribute to heart health.

Weight Management 

Green tea has been studied for its potential role in weight management. Some studies suggest that green tea may support fat oxidation and thermogenesis, which could contribute to weight management. However, more research is needed to determine the optimal dose and its effects on different populations.

Improved Brain Health 

The catechins in green tea have properties that may support brain health. Green tea's antioxidant effects can help protect against oxidative stress, which is linked to neurodegenerative concerns.

Heart Health Benefits

Regular consumption of green tea has been associated with a lower risk of heart-related issues. Green tea may help support healthy blood pressure and cholesterol levels, contributing to a healthier cardiovascular system.

Anti-inflammatory Effects

Green tea has been found to possess anti-inflammatory properties. Chronic inflammation is linked to various health conditions, and the anti-inflammatory effects of green tea may help support overall health.

Antimicrobial Effects

Green tea has shown antibacterial and antiviral properties. It may help support the body's defense against harmful bacteria and viruses.

How Much Green Tea Should You Drink?

There is no clear consensus on the exact amount of green tea that can be consumed on a daily basis. A single cup of green tea typically contains 178-823 mg of catechins per cup. However, it is generally considered safe for most individuals to consume moderate amounts of green tea.

It is important to note that green tea does contain caffeine, and excessive consumption may lead to adverse effects such as increased heart rhythm. Pregnant and breastfeeding women are advised to limit their intake to one or two cups per day due to the potential effects of caffeine on heart rhythm.

It is also recommended to be cautious when consuming green tea alongside certain medications, as caffeine in green tea may have diuretic effects and interact with the drugs.

Overall, while moderate consumption of green tea is generally considered safe, it is advisable to consult with a healthcare professional for personalized recommendations, especially for individuals with pre-existing medical conditions or those taking medications.

How To Add More Green Tea To Your Diet

Adding more green tea to your diet can be a simple and enjoyable way to explore its potential health benefits while considering the associated risks. Here are some practical tips to incorporate green tea into your daily routine:

Start with a moderate amount: If you're new to green tea, it's best to start with a moderate intake of one to two cups per day. This allows your body to adjust to the caffeine content and reduces the risk of potential adverse effects.

Choose high-quality green tea: Opt for high-quality loose-leaf green tea or tea bags without additives or flavorings. This ensures that you are consuming pure green tea and avoiding any potentially harmful substances.

Brew it correctly: To maximize the potential benefits of green tea, pay attention to the brewing process. Use water that is hot but not boiling, and steep the tea for about 2-3 minutes. This helps prevent the release of excessive tannins, which can make the tea bitter.

Experiment with flavors: If you find the taste of plain green tea too mild or grassy, consider adding natural flavorings. You can try adding a slice of lemon or a sprig of mint to enhance the flavor without adding any extra calories or sugar.

Consider green tea supplements:  Consider green tea supplements as an alternative way to explore the potential benefits of green tea. Green tea supplements provide a concentrated dose of beneficial compounds, such as catechins and antioxidants, without the need to consume multiple cups of tea. 

As a reminder, it's important to choose high-quality supplements from reputable brands and consult with a healthcare professional before starting any new supplement regimen.

[signup]

Health Benefits of Green Tea: Key Takeaways

Green tea is more than just a refreshing beverage—it offers a wealth of potential health benefits. From its rich history in traditional practices to its numerous positive effects on the body, green tea has emerged as a supportive ally in promoting overall health.

When it comes to incorporating green tea into your diet, it's best to start with a moderate intake of one to two cups per day. Choosing high-quality green tea and brewing it correctly are important to explore its potential benefits. Adding natural flavorings or considering green tea supplements can also be an option for those who prefer different taste profiles or want a concentrated dose of beneficial compounds.

The information in this article is designed for educational purposes only and is not intended to be a substitute for informed medical advice or care. This information should not be used to diagnose or treat any health problems or illnesses without consulting a doctor. Consult with a health care practitioner before relying on any information in this article or on this website.

Learn more

No items found.

Lab Tests in This Article

No lab tests!

Chacko, S. M., Thambi, P. T., Kuttan, R., & Nishigaki, I. (2010). Beneficial Effects of Green tea: a Literature Review. Chinese Medicine, 5(1), 13. https://doi.org/10.1186/1749-8546-5-13

Chen, I-Ju., Liu, C.-Y., Chiu, J.-P., & Hsu, C.-H. (2016). Therapeutic effect of high-dose green tea extract on weight reduction: A randomized, double-blind, placebo-controlled clinical trial. Clinical Nutrition, 35(3), 592–599. https://doi.org/10.1016/j.clnu.2015.05.003

Christie, Dr. J. (2023, January 6). A Functional Medicine Approach To Obesity And Weight Management. Rupa Health. https://www.rupahealth.com/post/an-integrative-approach-to-obesity

Cloyd, Dr. J. (2023, April 7). Functional Medicine High Cholesterol Protocol. Rupa Health. https://www.rupahealth.com/post/functional-medicine-high-cholesterol-protocol

Diorio, Dr. B. (2023, February 24). The Benefits of Integrative Nutrition: How to Maximize Your Health Through Food. Rupa Health. https://www.rupahealth.com/post/the-role-of-nutrition-in-integrative-medicine

Fan, F.-Y., Sang, L.-X., & Jiang, M. (2017). Catechins and Their Therapeutic Benefits to Inflammatory Bowel Disease. Molecules : A Journal of Synthetic Chemistry and Natural Product Chemistry, 22(3). https://doi.org/10.3390/molecules22030484

Green Tea oral dosage forms. (n.d.). Cleveland Clinic. https://my.clevelandclinic.org/health/drugs/20553-green-tea-oral-dosage-forms

Lange, K. W. (2022). Tea in cardiovascular health and disease: a critical appraisal of the evidence. Food Science and Human Wellness, 11(3), 445–454. https://doi.org/10.1016/j.fshw.2021.12.034

Lau, S., Georgousopoulou, E., Kellett, J., Thomas, J., Mckune, A., Mellor, D., Roach, P., & Naumovski, N. (2016). The Effect of Dietary Supplementation of Green Tea Catechins on Cardiovascular Disease Risk Markers in Humans: A Systematic Review of Clinical Trials. Beverages, 2(2), 1–15. https://doi.org/10.3390/beverages2020016

Malani, Dr. S. (2023, April 17). An Integrative Medicine Approach to Breast Cancer Prevention. Rupa Health. https://www.rupahealth.com/post/an-integrative-medicine-approach-to-breast-cancer-prevention

Mandel, S. A., Amit, T., Kalfon, L., Reznichenko, L., & Youdim, M. B. H. (2008). Targeting Multiple Neurodegenerative Diseases Etiologies with Multimodal-Acting Green Tea Catechins. The Journal of Nutrition, 138(8), 1578S1583S. https://doi.org/10.1093/jn/138.8.1578s

Matthews, C. M. (2010). Steep Your Genes in Health: Drink Tea. Baylor University Medical Center Proceedings, 23(2), 142–144. https://doi.org/10.1080/08998280.2010.11928604

WebMD. (2019). Green Tea: Uses, Side Effects, Interactions, Dosage, and Warning. Webmd.com. https://www.webmd.com/vitamins/ai/ingredientmono-960/green-tea

Weinberg, Dr. J. (2022, July 26). 5 Things You Can Do To Find Relief For Arthritis. Rupa Health. https://www.rupahealth.com/post/a-functional-medicine-approach-to-osteoarthritis

Order from 30+ labs in 20 seconds (DUTCH, Mosaic, Genova & More!)
We make ordering quick and painless — and best of all, it's free for practitioners.

Latest Articles

View more on Nutrition
Subscribe to the magazine for expert-written articles straight to your inbox
Join the thousands of savvy readers who get root cause medicine articles written by doctors in their inbox every week!
Thanks for subscribing!
Oops! Something went wrong while submitting the form.
Are you a healthcare practitioner?
Thanks for subscribing!
Oops! Something went wrong while submitting the form.
Subscribe to the Magazine for free to keep reading!
Subscribe for free to keep reading, If you are already subscribed, enter your email address to log back in.
Thanks for subscribing!
Oops! Something went wrong while submitting the form.
Are you a healthcare practitioner?
Thanks for subscribing!
Oops! Something went wrong while submitting the form.

Hey practitioners! 👋 Join Dr. Chris Magryta and Dr. Erik Lundquist for a comprehensive 6-week course on evaluating functional medicine labs from two perspectives: adult and pediatric. In this course, you’ll explore the convergence of lab results across different diseases and age groups, understanding how human lab values vary on a continuum influenced by age, genetics, and time. Register Here! Register Here.