Don't Gain Weight, Drink Green Tea


| 6 Comments

green-tea.jpg(1)

            With the impossible standards girls feel the need to live up to and the growing rate of obesity, everyone is constantly looking for the next big thing to help weight loss.  I have heard people say before that green tea is good for weight loss and have seen it being sold in stores like GNC, but never saw any evidence backing up everyone's claims. 

            Researchers of Penn State in the College of Agricultural Sciences experimented on mice the effects green tea would have on their weight gain patterns while also having a high-fat diet.  Mice fed the compound found in green tea (EGCG) had 45 percent slower weight gain than the control group who had a high fat diet without the green tea compound.  They also concluded that the mice fed the green tea supplement showed a 30 percent increase in lipids that suggest the tea limits the body's ability to absorb fat, making it enhance the ability to use the fat instead of storing it (1).  A problem that could have altered these findings is how relatable they are to humans.  They stated a person would need ten cups of green tea daily to intake the amount the mice used in the study.  They also only focused on already obese figures; resulting in little legitimate evidence on the effects green tea could have on people who are a healthy weight.

            In a second study, they said green tea didn't only slow down weight gain in mice, but reduced their weight by 49%.  They also claimed that the rats injected with green tea extract daily showed a loss of appetite and reduced their food intake by 60 percent after a week.  This alone led to a 21 percent weight loss in the rats.  They gone on with stating the American Journal of Clinical Nutrition showed green tea increased metabolism by 4 percent.  They claim adding 3-5 cups of green tea a day can help drop extra pounds and give people the energy they need to want to exercise.

            This second study was trying to prove it would increase weight loss, but consisted of many flaws and has been put beside a much better study method stating it does not increase weight loss, but slows down weight gain.  The first study consists of a control group and a group being tested with the green tea extract.  They also informed us of how much extract the mice were receiving and the amount that would be equivalent to for a person to take.  The second study never even mentions having a control group.  They also never claim how much extract is being injected which could result in exaggerated results.  By not having a control group in the second study, it makes it nearly impossible to say they have made a legitimate claim with so many possible third variables.  One third variable they mentioned they didn't even take into consideration for the significant weight loss in the mice.  They said after a week they were only eating 40 percent as much food as they were before the extract was being injected.  The tea could have kept their metabolism constant (not necessarily raising it) when the body's natural functions would quickly slow down the metabolism on it's own if someone were to take in less than half of what they use to ate.  If humans were also given this unknown amount of tea extract, it looks as though it could give them possible eating disorders, rather than healthily improve weight loss.  Since the first study found no signs of loss of appetite and stated their amounts were equivalent to ten cups of tea a day, the second study could be related to a fad diet, which is extremely harmful to the body.  Taking in well over ten cups of tea a day and eating less than half of what you use to?  Doesn't really sound like a healthy way to lose weight when you put their findings into perspective. 

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    (1)  http://news.psu.edu/story/154848/2011/10/04/green-tea-helps-mice-keep-extra-pounds

    (2)  http://www.greenteabase.com/green-tea-benefits-weight-loss/

    (3)  http://www.myessentia.com/blog/wp-content/uploads/2013/06/green-tea.jpg

    (4)   http://a57.foxnews.com/global.fncstatic.com/static/managed/img/Health/2009/July/660/371/640_skinny_fat_jeans.jpg?ve=1 

6 Comments

Alyssa,
I fall into the trap of one of those girls who use green tea to help promote weight loss. With your findings though it makes sense why the effects of green tea drinks and pills are minimal. To answer your question, no its not a healthy way to obtain control over your weight. I think that people need to learn more about the dieting process that helps them to lose weight. I personally checked out the website below for eating and exercising tips.
http://www.myfitnesspal.com/

I have heard of this before because my mom drinks green tea almost everyday and she has actually lost a decent amount of weight from it. I feel like green tea is the darts greatest beverage because it has so many positive effects from it. It is also great tasting. i would be interested to know if you drank green tea for the rest of your life if you could lose weight forever or would you reach a certain point where you just can't lose anymore.

Your post was very informative and I appreciate you posting. I too have tried green tea on many occasions by drinking unsweetened brewed green tea. However, like in your post, the adverse seemed to work on me. I always tend to hungrier even if I drink it right after a meal.

This is a great topic since as you said, it is often suggested and talked about. I have been curious to know if it actually works too. I did a little further research to see in what cases it does and doesn't work. In this article: http://www.sciencedaily.com/releases/2013/04/130429114739.htm
they state it's all in what you are consuming. Green tea extract in isolation is going to do nothing for your body but when the extract was given with aiding substances it shows improved weight loss.

This is a great topic since as you said, it is often suggested and talked about. I have been curious to know if it actually works too. I did a little further research to see in what cases it does and doesn't work. In this article: http://www.sciencedaily.com/releases/2013/04/130429114739.htm
they state it's all in what you are consuming. Green tea extract in isolation is going to do nothing for your body but when the extract was given with aiding substances it shows improved weight loss.

This is a great topic since as you said, it is often suggested and talked about. I have been curious to know if it actually works too. I did a little further research to see in what cases it does and doesn't work. In this article: http://www.sciencedaily.com/releases/2013/04/130429114739.htm
they state it's all in what you are consuming. Green tea extract in isolation is going to do nothing for your body but when the extract was given with aiding substances it shows improved weight loss.

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