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11 Amazing Benefits of Green Tea: The Healthiest Drink in the World

11 Amazing Benefits of Green Tea: The Healthiest Drink in the World

“I’m going to quit drinking coffee and only drink green tea”.

That’s what I frequently tell myself, at least.

But why all the buzz around green tea? Is it because green tea comes from Asia, and therefore has to be good for you?

Well, obviously not. Although one research scientist, Dr. Christopher Ochner, said on WebMD that “it’s the healthiest thing I can think of to drink”.

Now, I’m not saying that all you have to do is drink green tea and all of your health concerns will suddenly melt away, but it would be nice to know how green tea is so good for you, and more importantly, why.

There’s a lot of literature and studies out there on green tea, so I’ve siphoned through a number of them and come up with some key takeaways.

Let’s get into some details here, so next time you grab that iced-green tea, you can feel extra good about yourself (hold the sweetener)!

1. Chock Full of Antioxidants

green tea leaves spoon cupAntioxidants, why are they good for us anyway?

Well, when we eat, our bodies have to turn food into energy. As a result, this generates some byproducts within our bodies called free radicals. These chemicals are pretty awful, and can severely damage our bodies through a process called oxidation. Free radicals are also, theoretically, the main driver in aging.

But have no fear, we can combat the negative effect of free radicals by consuming antioxidants, and one great way to do this is by drinking green tea.

In clinical trials published by the American Society for Nutritional Sciences, scientists found that numerous studies suggested that the consumption of tea may bring positive health effects. The hypothesis behind these benefits stems from the high levels of flavonoids, antioxidants that scavenge free radicals.

Benefits of flavonoids include, but are not limited to:

  • Fighting Viruses
  • Helping Prevent Cancer
  • Preventing Inflammation
  • Helping with Allergies

2. Cancer Fighter

man and woman enjoying teaA cup of tea keeps the doctor at bay? According to cancer.gov, definitely possible!

Green tea has been shown to activate our internal detoxification enzymes which may hinder tumor growth. Many teas are packed with antioxidants, but the direct mechanism of cancer prevention hasn’t yet been fully established. The good news is there is a relationship between cancer prevention and tea consumption.

According to livescience.com, an ongoing study of women with breast cancer showed that polyphenols in green tea may slow down proteins that are part of tumor cell growth.

Dr. Katherine Crew, assistant professor of medicine and epidemiology at Columbia University, also conducted a study in men with prostate cancer and found that green tea drinkers had markedly lower prostate-specific antigen, which is linked to prostate tumor growth.

So see?

Evidence suggests that both sexes can enjoy the cancer fighting benefits of green tea.

3. Brain Enhancement

smart woman working drinking teaDrink tea and be smarter! Sound too good to be true?

Well according to a study from the Department of Psychiatry, University of Basel Switzerland, sipping on green tea enhances memory. Until last year, the effects of green tea on cognitive function were speculative, but with the improvements in functional magnetic resonance imaging (fMRI), Dr. Stefan Borgwardt could view the increased connectivity in the cortices of the brain after consumption of green tea. Specifically, green tea drinkers showed increased connectivity in key parts of the brain associated with memory.

The study used healthy male volunteers and found that when given a soft drink containing green tea extract, those consuming green tea extract not only showed increased connectivity in parts of the brain, but improved performance on working memory tasks as well.

Let me go brew a mug real quick before I finish the rest here!

4. Anti-Anxiety and Relaxation

relaxing with green teaI have a buddy who swears by l-theanine, an amino acid found almost solely in tea. He suffers from mild chronic anxiety, and situations like hangovers can bring up flares. Now I’m not suggesting to get a hangover and try this out of course. I’m just saying that green tea comes packed with l-theanine, and l-theanine may help you to relax and avoid anxiety.

A study published in the Journal of Trends in Food Science & Technology by Dr. Juneja and team states that theanine acts as a neurotransmitter that increases alpha waves in the brain. Alpha waves are considered to be an indicator of relaxation. Human volunteers were given 50-200 mg of l-theanine and were shown to have increased alpha waves without drowsiness.

So it appears you can drink green tea to help mellow you out, without falling asleep. I better gift some to my buddy.

5. Heart Health

green tea leaves heart spoonI’m sure you’ve heard that caffeine isn’t recommend for those with heart issues. And I’m no doctor, but a bunch of studies suggest green tea may lower your risk of heart disease.

According to the Harvard Heart Letter, Japanese adults who drank more than five cups daily were at 26% lower risk of heart attack or stroke. While research around mechanisms of action is limited, there were no red flags, so it can’t hurt.

In another study, Athens Medical School took 14 volunteers and had them either drink green tea or caffeinated hot water. Using blood pressure cuffs and ultrasound to check whether arteries were widened or not, the doctors found that those that drank green tea had significantly wider arteries, meaning lower risk in heart diseases like atherosclerosis.

6. Fat Burner

green tea cup“Green tea has thermogenic properties and promotes fat oxidation beyond that explained by its caffeine content per se”. That’s what Dr. Abdul G. Dulloo, author of a study published in the American Journal of Clinical Nutrition said to WebMD.

While caffeine has been shown to help burn fat and increase metabolism, it’s good to know the effect of green tea on metabolism is much more than that, because simply ramping up caffeine intake will definitely give you the jitters.

Another piece in the Journal of Advances in Nutrition mentioned that a number of studies have witnessed how green tea can improve fat burning.

While overall research is still limited, given the health benefits of green tea, if it is a fat burner to boot, why not?

We already know that green tea is full of antioxidants, is good for both the heart and brain, and can help fight cancer, so why shouldn’t we drink it?

7. Anti-Bacterial

japanese green teaGet sick, and the doctor gives you antibiotics. We’ve all been there, but are prescribed antibiotics the way to go? I think not! What about a natural remedy? Now I’m not saying green tea will cure you once you’re already infected (probably not), but it certainly can’t hurt.

Green tea contains other antioxidants called catechins. According to a study published in the Food Science Technology Bulletin, these catechins, specifically epigallocatechin gallate (EGCG) and epicatechin gallate (ECG), can hinder development of many bacterial species. These catechins can stick themselves into the films that cover the bacteria. By lodging into the outside layers of bacteria, EGCG and ECG may upset the bacteria from doing what it is supposed to, which is make you ill.

8. Cholesterol Control

10 cups green teaHigh cholesterol is pretty common, 73.5 million adults have high LDL cholesterol, which I mentioned in my article on coconut oil. So odds may be that many of us are looking for ways to lower ‘bad’ cholesterol. Not only is green tea basically amazing so far, but it can also help us with cholesterol levels.

According to healthaliciousness.com (sweet name), research shows that drinking up to 10 cups of green tea a day has a large effect on cholesterol.

Granted, 10 cups is a whole lot, but no worries, each cup you drink may reduce your cholesterol! So coupled with eating healthy and exercising, you’ll be in the lower cholesterol range in no time.

9. Oral Health

woman close up mouthWe all love food right? Why else are we here reading nutrition secrets?

Well, I love food. The problem is when you eat food (which is all of us), we may introduce substances like bacteria into our mouths that may cause cavities. Oh, and if we eat sugar, that’s a whole different ball game because some bacteria use sugar to multiply, and this may potentially increase cavities.

Ok, so cavities are no fun but how can green tea help keep the inside of our mouths healthy?

Here’s a quick synopsis of items listed by besthealthmag.ca:

  • Cavities – Green tea is anti-bacterial, as mentioned above. It may help reduce bacteria and acid in the mouth.
  • Gums – Green tea’s antioxidants are anti-inflammatory. As such they may aid in controlling gum disease.
  • Tooth Loss – A study in the Journal of Periodontology showed that green tea may markedly reduce enamel loss.
  • Oral Cancer – Not only can green tea help prevent breast and prostate cancer as mentioned above, but may slow the progression of oral cancer as well.
  • Stinky Mouth – Bacteria and other microbes make our breath smell, and green tea’s anti-bacterial properties fight stinky bacteria too!

10. Stomach Health

stomach pain woman bedStomach issues are very common. If I could have a dime for every time someone told me they have inflammatory bowel disease or heart burn, I’d have…well I guess I’d have a couple bucks.

But according to Medscape, the CDC posted in 2012 that about 20% of people have either ulcerative colitis, or Crohn’s disease. And according to Florida Hospital, more than 40% of Americans suffer from heart burn at least once a month. Youch.

The anti-inflammatory effects of green tea mentioned above may also help with stomach issues like colitis. A study at the University Of Cincinnati College Of Medicine found that EGCG found in green tea may help both colitis and Crohn’s disease. Not to mention that green tea’s anti-cancer properties also apply to colon cancer.

11. Nectar of Youth

youthful woman skin drinking teaAs I mentioned earlier, green tea is packed with antioxidants, and one major cause of aging is oxidation by free radicals. According to the San Francisco Gate, a study from the University of Campbell found that Japanese practitioners of a green tea ceremony showed longer life spans.

Not only this, but the anti-inflammatory and fat burning aspects mentioned above, and resultant better health, would likely improve life span as well.

Free radicals also affect our skin, and the antioxidants in green tea may help inhibit free radicals from breaking down collagen, the protein in our skin that keeps us looking young.

One thing I’ve noticed about green tea, is that when I drink it in the morning without eating anything, it gives me a little upset stomach. So what I do now is I put a little creamer or milk into it after it has steeped.

Do you have any tips for me?

I mentioned at the start that green tea might be the healthiest thing you can drink. I’m sure you have some opinions by now, so let me know!

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51 Comments

  1. Raza

    June 30, 2015 at 1:38 pm

    I’m impressed with how much content you’re able to crank out. It’s all really good too.

    Hard to keep up with it.

    Reply

    • Mike Kamo

      June 30, 2015 at 8:02 pm

      I spend at least 5 hours per day writing :)

      Reply

  2. Zarayna

    June 30, 2015 at 1:45 pm

    Hi Mike,

    Thank you for this detailed article. BTW, I do like your lists – they certainly help to persuade and make remembering easier.

    Although I am a great black tea drinker, occasional coffee drinker I must confess I have never tried green tea although I have been aware of its healthy reputation.

    However, reading through all of its health bestowing qualities (and my suffering from one or two of the unfortunate conditions mentioned) I am now determined that I shall experiment. I shall treat myself the next time I go shopping.

    Thank you and kindest regards.

    Reply

    • Mike Kamo

      June 30, 2015 at 8:03 pm

      Hey Zarayna,

      I’d love to hear what you think of green tea after trying it!

      Reply

  3. Mr.Matcha

    June 30, 2015 at 1:53 pm

    Mike,
    great article, but this time you should really mention matcha as well. Matcha is essentially green tea leaves that have been stone-ground into a delicate powder. Because of the way it’s ground, drinking it provides the same benefits you would get from actually eating a green tea leaf.
    Maybe next time?

    Reply

    • Mike Kamo

      June 30, 2015 at 8:03 pm

      I’ll keep that in mind Mr. Matcha. Thanks for sharing :)

      Reply

  4. Jeremy Waller

    June 30, 2015 at 3:12 pm

    I can’t quite quick my coffee habit, but Green tea is my go-to drink in the afternoon when I’m feeling sluggish. It perks me up without feeling jittery.

    Reply

    • Mike Kamo

      June 30, 2015 at 8:04 pm

      My sister gave up coffee for green tea a few weeks ago. Thanks for sharing Jeremy.

      Reply

  5. Pauline

    July 1, 2015 at 5:57 am

    How much of this do you drink in the morning?

    Reply

    • Mike Kamo

      July 1, 2015 at 7:52 am

      About two tablespoons a day in a cup mixed with water or juice.

      Reply

  6. Darcy Grady

    July 1, 2015 at 9:05 am

    What’s happening Mike,
    I really appreciate your article. I’ve recently started drinking YEVO green tea infused with vitamins and your article confirms what I already thought to be true, that green tea is really dare good for you. Green Tea, drink on my friends!

    Reply

  7. Ria Modi

    July 6, 2015 at 10:17 am

    I’m habituate to drink coffee daily.. How can I avoid it can you suggest ?

    Reply

    • Mike Kamo

      July 6, 2015 at 2:29 pm

      Ria, have you tried alternatives like tea? It can be black tea if need be.

      Reply

  8. K Bharath

    July 7, 2015 at 12:04 am

    Wow green tea has so much of benefits can you recommend few best green tea.

    Reply

    • Mike Kamo

      July 7, 2015 at 12:59 pm

      There are many different types. Just go to your local grocer and they should have a lot of options.

      Reply

  9. Crystal Evans

    July 7, 2015 at 10:25 pm

    Green tea equates too good health.

    Reply

  10. Ziva

    July 9, 2015 at 2:38 am

    Hi Mike, Since i started drinking green tea, i got back pain, i don’t know is it because of Green Tea or not. Are there any side effects of Green Tea ?

    Reply

    • Mike Kamo

      July 9, 2015 at 12:03 pm

      I don’t think it’s related to the tea, Ziva. I would check out other things you have adopted recently.

      Reply

      • Ziva

        July 10, 2015 at 4:11 am

        Hi Mike, may be long work hours in front of computer is the problem. Please write an article about nutrition food to avoid back pain. Thanks.

        Reply

        • Mike Kamo

          July 10, 2015 at 8:59 am

          Ziva, I’ll see what I can do. Thanks for the suggestion.

          Reply

  11. Sarah

    July 16, 2015 at 2:53 pm

    Hi Mike, I just wanted to say that I love all your articles. They are so informative! I love that you explain all the reasoning and process behind it through your research. I learn something new every time and being able to actually understand why it works the way it does makes me more inclined to actually use it. I’m going to try and increase my green tea intake, thanks :)

    Reply

    • Mike Kamo

      July 17, 2015 at 10:54 am

      Sarah, glad I can help. Let me know how the green tea works !

      Reply

  12. splendid doctor

    October 3, 2015 at 12:36 am

    detailed post.
    have learned many new benefits of green tea.
    i was aware of some of its benefits but “Anti-Anxiety and Relaxation and oral health” is something new for me. Thanks for this list.

    Reply

    • Mike Kamo

      October 3, 2015 at 3:24 am

      Glad you found the article helpful. Green tea’s benefits surprised me too as I was doing my research. Looking forward to hearing more from you.

      Reply

  13. aryan

    October 26, 2015 at 1:16 pm

    Nectar of youth well deserved the title for green tea. You also mentioned this in your latest article, “10 Foods You Should Be Eating To Live Longer”.

    Reply

    • Mike Kamo

      October 27, 2015 at 8:49 am

      Aryan — I think it applicable to a lot of different types of drinks people consume 😉

      Reply

  14. Vaishali

    December 8, 2015 at 10:48 pm

    Wow! what a great article.I really love your post.It is really very informative. I know green tea is very good for health, but you provide a lot of benefits.Thank you.

    Reply

    • Mike Kamo

      December 9, 2015 at 8:24 am

      Vaishali, glad you like the posts — I try to share all my healthy tips :)

      Reply

  15. rajesh

    January 13, 2016 at 8:33 pm

    wow nice artical Green tea is my go-to drink in the afternoon when I’m feeling sluggish. It perks me up without feeling jittery.

    Reply

    • Mike Kamo

      January 15, 2016 at 1:54 pm

      Rajesh, that’s great — keep drinking it :)

      Reply

  16. Gaurav Kumar

    January 19, 2016 at 3:56 am

    I Love Green Tea. It is very good for health. Thanks For This Artile.

    Reply

  17. Mrs. Gee Enriquez

    February 26, 2016 at 3:14 am

    Just a question – can teenagers start drinking green tea? I have a 15 year old daughter who drinks milk and I’m thinking if I could let her try. Will it be okay for her at her age or is it too early to let her drink green tea?

    Reply

    • Mike Kamo

      February 29, 2016 at 11:34 am

      I would definitely moderate caffeine consumption.

      Reply

  18. Healthoop

    February 29, 2016 at 8:38 pm

    I Love Green Tea. I started drinking green tea several years ago. It is very good for health.

    Reply

  19. Zion

    March 3, 2016 at 3:15 am

    Is green tea with caffeine bad for you or should it be decaffeinated? Do you add a sweetner to your tea

    Reply

    • Mike Kamo

      March 3, 2016 at 10:45 am

      Zion, it has less caffeine than other traditional sources so you should be fine :)

      Reply

  20. zivame

    March 5, 2016 at 11:33 am

    Does Green tea have any side effects ? I have gastric problem.

    Reply

    • Mike Kamo

      March 7, 2016 at 9:50 am

      I would consult with your physician based on your medical history.

      Reply

  21. seandsouza

    March 29, 2016 at 1:37 am

    Hey Well an interesting post!! Now i got a complete idea about Green tea. Thanks for sharing Mike

    Reply

  22. Chintan

    April 7, 2016 at 12:46 pm

    Hey Mike, this is an interesting article, thanks for sharing your knowledge. I like green tea but it is too bitter, can’t take it!!! too difficult. And I think it is no point drinking it with sugar. However looking at these health benefits I have to reconsider drinking green tea. Will try :)

    Reply

    • Mike Kamo

      May 21, 2016 at 3:38 am

      Chintan, if you want to sweeten it up, add some honey into it. Every bitter thing except poison is good for health and every sweet except honey is dangerous for health.

      Reply

  23. Alice

    April 13, 2016 at 9:05 am

    Hi mike. To reap the full benefits you listed here, you must drink pure freshly brewed green tea. Sugar, milk or creamer weakens the catechins and flavonoids that we are after. If the taste bothers you, just think of all the health and beauty benefits it brings you. Oh and if you’re using teabags, steep it for 2 – 3 minutes only so the flavor won’t be too strong. No guts, no glory. No pain, no gain. Happy brewing!

    -Alice, the asian girl

    Reply

    • Mike Kamo

      May 21, 2016 at 3:42 am

      Alice, you are right. You can add some honey, ginger, and cardamom if you don’t like its bitter taste.

      Reply

  24. CouponsHatke

    May 11, 2016 at 1:17 pm

    I daily drink green tea and love to do so … my fav . help me relieve stress and relaxes me.

    Reply

    • Mike Kamo

      May 21, 2016 at 3:45 am

      Yes, it is excellent for elevating stress and toxins. Keep reading for more updates.

      Reply

  25. Neha

    May 25, 2016 at 2:34 am

    Green tea is always better than normal tea because normal tea harm your body, but green tea always healthy for everyone.

    Reply

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About Mike Kamo



Hi, I’m Mike. One of my biggest passions in life is nutrition and after being certified, I wanted to create a site where I could help readers live a healthy and nutritious life. I believe we control our destiny and we can choose to live a long and healthy life by eating right and treating our bodies with respect.

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