Benefits of Green Tea for Health: 16 Proven Facts

Green Tea Health Benefits
Green Tea Health Benefits

Green Tea is one of the rare drinks that are universally accepted as healthy. It has been becoming very popular due to its many health benefits. There are great Benefits of Green Tea for Health.

Green tea is full of Antioxidants and other nutrients which have powerful effects on our body.

Why it is Called ‘Green’ Tea?

Green tea is derived from the leaves of the a plant called Camellia sinensis. It comes in several varieties.

So green tea is actually called ‘green’ tea because it is in a state where it has not been processed to become a black tea.

Since it has not been processed to that level, a lot of natural anti-oxidants which are present in green leaf stay in your green tea. It also has natural anti-bacterial property.

Below are 16 Benefits of Green Tea for Health that are proven by scientific research and studies.

1. Green Tea Boosts your Immune System

Green tea is a powerful antioxidant. What it means is that it protects the cells in the body. Let’s say here i have an apple that has a protection which is the skin. If i were to cut it open and leave it up in the air, it would become brown. That is oxidation.

Green tea protects the cell and skin of the cell or the outer layer of the cell and prevents oxidation. So it is a great antioxidant. It helps boost your immune system which obviously fights diseases.

2. Green Tea Boosts Metabolism and help you lose Weight

It also helps boost your metabolism. If you consume green tea, your blood is going to circulate a little faster. You’re going to burn calories a little faster doing exactly the same things that you normally do.

Weight loss - Green Tea Health Benefits
Weight loss – Green Tea Health Benefits

Green tea raises metabolism and oxidizes fat. Some of the laboratory experiments showed a decrease in the formation of new blood vessels inside fat stock, it takes literally bio feedback from fat cells and makes them die quickly.

Hence the research proved that green tea helps with weight loss. So if you want to lose a little bit of weight, having some green tea will definitely help.

3. Green Tea Prevents Cancer

A great benefit of green tea is that it is rich in healthy nutrients especially bio-activated Polyphenols. These help reduce inflammation and also helps fight cancer.

Green Tea contains antioxidants that block free radicals causing damage to your body. These free radicals damage your body over time and are a cause of cancer.

Those who drink green tea have a lower rate of cancer. This theory has a relationship with the enormous amount of antioxidants found in green tea.

4. Green Tea Boosts your Brain

Boost Brain-Green tea health benefits
Boost Brain-Green tea health benefits

There is another ingredient in green tea works with caffeine to stimulate the functions of your brain. It is an amino acid called L-theanine, which is able to cross the blood-brain barrier.

It gives your brain relaxation without anesthesia or drowsiness which comes with other relaxation factors.

5. Green Tea increases your Life Span

A Scientific study was conducted on 40,000 participants it turns out that those who drink three to four cups of tea a day have increased their default lifespan and low mortality. Risk of Heart diseases and Brain strokes are significantly reduced in such participants.

Before you get excited, you must remember that it is an interdependent relationship just because those who drink green tea live longer, this does not mean green tea is the only thing responsible for this effect. So enjoy the green tea but do not think you will live forever.

6. Green Tea Prevents Tooth Decay

So the first thing which you will see is green tea will not discolor the teeth and in-fact it will prevent tooth decay if you are consuming green tea instead of coffee or some other beverage.

7. Green Tea helps you Give up Sugar

Among other health benefits of green tea is that you can very easily have without sugar. You don’t need sugar with green tea because of its light flavor. So it’s very easy to give up sugar if you are addicted to coffee sugar or tea and sugar if you switch on to green tea.

Read another interesting article about Proven Strawberry Health Benefits

8. Green Tea Prevents Unpleasant Odors in mouth

Food ingredients in green tea known as Catechins (antioxidants) do a great job in preventing and killing certain types of bacteria.

Studies have proved that bacteria, which are known to cause unpleasant odors in your mouth, are killed when drinking green tea. Due to this, green tea also reduces the risk of developing dental drills.

9. Green Tea Helps with Water Retention Problem

Another health benefit of green tea is that it actually helps you let go of extra water and bloating that is known as water retention problem. So if you take green tea you will see that the people who are prone to water retention, their water retention comes down.

10. Green Tea Reduces Blood Pressure

Green tea reduces blood pressure. If you have high blood pressure problem, you know the importance of maintaining blood pressure under control.

Heart Diseases- Green Tea Heath Benefits
Heart Diseases- Green Tea Heath Benefits

As a matter of fact, Green tea improves risk factors for all cardiovascular diseases significantly. Theses factors include Total cholesterol, LDL cholesterol and triglycerides.

Experts say that green tea drinkers have up to a 35% lower risk of cardiovascular diseases. (database of Oxford academics)

11. Green Tea do not give you Caffeine Buzz

Another health benefit of green tea is that people who drink lot of tea and coffee they get the caffeine buzz. So they are not able to get good sleep because they just had too much of caffeine in the entire day.

If you switch to green tea you will notice that green tea will not give you that caffeine buzz, but at the same time it will give you a little freshness when you drink green tea.

If you are caffeine sensitive, we would recommend that you drink your tea no later than 12 noon or one o’clock because we don’t want to stay up all night.

12.Good for People with Nerve Disorders

Another health benefit of green tea has been proved for people who have nerve disorders. They can consume green tea very safely rather than consuming say coffee or a strong caffeinated beverage.

In fact, nutrients in green tea can help such patients in their condition.

13. Green Tea keeps you Energetic

One Health benefit of green tea is also that it does a great job to give you continuous energy without any worries.  It contains about 30 to 50 mg of caffeine which is about half a cup of coffee. It helps you remain focused and active but you will not have feelings of tension like that you feel with a large cup of coffee.

14. Safe for Consumption by Patients

Green Tea can be consumed at any age and it can even be consumed if you have any intestinal acidity or if you have any disorder. So lot of people with say acidity, ulcers cannot drink any other tea or coffee. They are barred from drinking it but they can switch on to green tea.

For patients of other diseases like diabetes and cholesterol, they can happily and safely have green tea because it has anti-oxidants. It has Xanthenes which actually help the blood vessels.

15. Green Tea Reduces Risk of Alzheimer and Parkinson Disease

Both laboratory and animal experiments showed that Catechins, the element found in green tea, it reduces the risk of developing Alzheimer’s and Parkinson’s disease. It is not clear to experts that why it is happening. Theoretically it has a relationship down in the development of plaques within the brain.


I want you to pay attention. Do not buy supplements that are of green tea extract and claim that it has health benefits and that it is a miracle. It is not. The real thing is always more useful than the supplements.

Anything Else?

In order to avail above benefits, lose weight and lower your risk of chronic diseases, you might want to consider making green tea a part of regular routine in your life.

If you’d like to try it, there’s a wide variety of green tea products available on amazon. We recommend you this green tea product, based on the opinions of health experts.

Types of Green Tea Available

Normally, Green tea is available in the market in the following forms:

Green Tea Health Benefits
Green Tea Loose leaves
  • Bottled and Sweetened with Artificial Sweetener;
  • In Single Tea Bags ;
  • In loose leaf form;
  • Green Tea Supplements in capsule form ( not recommended for health benefits); and
  • In instant-powder form.

You may use green tea in any of the above forms but Health Experts do not recommend Green Tea Supplements and Bottled, sweetened green tea. Brewed green tea are considered better than these by health experts.

How Much Green Tea You should drink?

How much Green Tea you should consume to avail all of above benefits and to avoid side effects of green tea?

Green Tea Health Benefits
Green Tea Health Benefits-Optimal Quantity is 3-5 cups

Different studies were conducted to determine the optimal quantity of green tea to drink per day. These studies involved a large number of participants and results were analysed scientifically.

Bases on the results of above mentioned studies, Health experts have determined that it is optimal to drink three to five cups of green tea in a day.

Nutritional Facts of Green Tea

Here are fast facts about nutritional analysis of green tea:

  • Green tea which is unsweetened is a zero calorie beverage.
  • One gm of green tea contains approximately 15-30 mg of caffeine.
  • Approximately, 25-45% weight of Green tea consists of Anti oxidants called Polyphenols of which mostly are Catechins.

Possible Side Effects of Green Tea

While green tea has all those benefits mentioned above, excessive use of green tea can cause some problems as well.

Below are possible side effects of excessive use of green tea:

Caffeine Side effects

Consuming too much caffeine may cause headache, nervousness, sleep problems, vomiting, irritability , heartburn, dizziness, and convulsions.

Pregnant or Breast feeding women should not consume very large amounts of caffeine because it may even increase risk of birth defects or miscarriage.

Latest researches indicate that every one including Pregnant or Breast feeding women, should not consume caffeine more than 350 mg per day.

An average cup of Green tea ( Assuming 2 gm green tea in a cup) contains 20-35 mg of caffeine.

Reduced Iron Absorption

Excess use of green tea have been found to reduce the absorption of iron from food.

Catechins which are found in green tea, if consumed in large quantities, may reduce ability to absorb iron. It may even lead to iron deficiency anemia in severe cases.

An Expert Opinion on Health benefits of Green Tea

Her is a video of an health expert describing health benefits of Green Tea in detail.

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