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Health Benefits of Green Tea

Health Benefits of Green Tea

  • 01-11-2022

  • iBrewTea

Green tea is one of the most popular beverages in the world, and for good reasons. It has been consumed for thousands of years in China and India, where it was valued for its medicinal properties. Today, modern science has confirmed that green tea offers many health benefits, thanks to its rich content of antioxidants and other bioactive compounds.

In this blog post, we will explore some of the evidence-based benefits of green tea and how you can enjoy this delicious drink as part of a healthy lifestyle.

What is green tea?

Green tea is made from the leaves of the Camellia sinensis plant, which is also the source of black tea, oolong tea, and white tea. However, green tea differs from other types of tea in how it is processed. Green tea leaves are harvested, withered, steamed, or pan-fried and then dried. This prevents fermentation and preserves many of the beneficial compounds found in the leaves.

Green tea contains a high concentration of polyphenols, which are natural compounds that have anti-inflammatory, anti-oxidant, and anti-microbial effects. Polyphenols can protect cells from damage caused by free radicals, which are unstable molecules that can contribute to aging and diseases.

One of the most important polyphenols in green tea is a catechin called epigallocatechin-3-gallate (EGCG), which has been shown to have various biological activities and health benefits.

How does green tea benefit your health?

Green tea has been linked to many health benefits, based on observational studies, clinical trials, and laboratory experiments. Some of the most well-known benefits include:

- Improving cardiovascular health: Green tea may lower the risk of heart disease and stroke by reducing blood pressure, cholesterol levels, inflammation, and oxidative stress. Green tea may also prevent blood clots and improve blood vessel function.
- Boosting brain health: Green tea may enhance cognitive function, memory, mood, and alertness by stimulating brain activity and neurotransmitter production. Green tea may also protect against neurodegenerative diseases such as Alzheimer's and Parkinson's by preventing brain cell death and plaque formation.
- Promoting weight loss: Green tea may increase metabolism, fat burning, and energy expenditure by activating thermogenesis and lipolysis. Green tea may also suppress appetite and regulate blood sugar levels by modulating hormones and enzymes.
- Supporting digestive health: Green tea may improve gut health by promoting the growth of beneficial bacteria and inhibiting harmful pathogens. Green tea may also reduce inflammation and oxidative stress in the digestive tract and prevent or treat conditions such as ulcerative colitis, irritable bowel syndrome, and gastritis.
- Protecting against cancer: Green tea may inhibit the growth and spread of cancer cells by inducing apoptosis, autophagy, cell cycle arrest, and angiogenesis inhibition. Green tea may also modulate immune system function and inflammation to prevent or fight cancer.

How much green tea should you drink?

There is no definitive answer to how much green tea you should drink to enjoy its health benefits. The optimal amount may vary depending on your individual factors such as age, weight, health status, genetics, and caffeine tolerance.

However, some general guidelines are:

- Aim for 3 to 5 cups of green tea per day (about 300 to 500 mg of polyphenols), which is considered a moderate intake that can provide significant benefits without causing adverse effects.
- Avoid drinking more than 10 cups of green tea per day (about 1000 mg of polyphenols), which may cause side effects such as insomnia, anxiety, headache, nausea, diarrhea, irregular heartbeat, or liver damage.
- Choose high-quality green tea that is organic, loose leaf, or brewed from whole leaves rather than bags or instant powders. This ensures that you get more antioxidants and less contaminants such as pesticides or heavy metals.
- Brew your green tea with water that is not boiling (about 80°C or 176°F) for 2 to 3 minutes to extract the optimal amount of polyphenols without making it too bitter or astringent.
- Enjoy your green tea plain or with a squeeze of lemon juice or honey to enhance its flavor and benefits. Avoid adding milk or sugar as they may reduce the bioavailability or effectiveness of polyphenols.


Green tea is a wonderful beverage that can offer many health benefits for your heart, brain, weight, digestion, and immunity. 

So what are you waiting for..just browse through our green tea segment and buy one for your health.