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Pros & Cons of Green Tea Fat Burning Capsules

author image Gail Morris
Gail Morris has been writing extensively since 1997. She completed a master's degree in nursing at Indiana University-Purdue University Indianapolis and practiced in medicine for more than 20 years. Morris has published medical articles in peer-reviewed journals and now writes for various online publications and freelances for Internet marketers.
Pros & Cons of Green Tea Fat Burning Capsules
Green tea extract is packaged into capsules and full of healthy antioxidants. Photo Credit Kasiam/iStock/Getty Images

As a means to an end, you may consider using green tea fat burning capsules to improve your weight loss and your health. However, before running out to the health food or grocery store to buy the perceived magic pills, it is important to understand both the benefits and risks of using an over-the-counter medication to assist in your weight loss efforts.

Weight Loss

In recent studies scientists have discovered that a flavonoid in green tea called catechin plays a significant role in weight loss. In a study published in "The Journal of Nutrition" in 2009, researchers found that overweight and obese participants who performed consistent exercise and received a beverage containing catechin lost more abdominal fat and subcutaneous abdominal fat, and lowered their triglycerides more than those who did not receive the beverage but performed the same exercises and received the same diet. This is important because abdominal fat deposits increase your risk of heart disease and stroke.

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Antioxidant Characteristics

Green tea contains antioxidant polyphenols that are substantially active against free radicals in the body. Free radicals are produced naturally in the body during metabolism. The body uses antioxidants to fight the damage that these free radicals can cause to DNA and cell membranes. The National Cancer Institute states that the polyphenols found in tea have been shown to inhibit tumor cell development and growth and reduce the potential for invasion to other tissues.

Reduced Weight Regain

Green tea capsules can also reduce any weight regain once you have lost weight. In a study published in 2005 in the journal "Obesity Research," scientists found that participants who were not accustomed to high levels of caffeine had an improved weight maintenance after weight loss when they used green tea. Those who were accustomed to high amounts of caffeine had less significant results.

Liver Disease

In a review of research literature between 1989 and 2007 scientists from Zhejiang, China found that green tea played a protective role against the development of liver disease. They examined the results of 10 qualifying studies. In each of these studies the participants enjoyed a protective role of green tea against a variety of liver diseases.

Anxiety, Arrhythmia, Insomnia

Individuals may experience insomnia, anxiety, irritability, upset stomach, nausea, diarrhea and frequent urination related to the caffeine content of green tea, according to the National Center for Complementary and Alternative Medicine. These side effects will be related your past consumption of caffeine. If your body is acclimated to higher amounts of caffeine, the green tea capsules may not affect you at all.

Vitamin K

Green tea also contains small amounts of vitamin K, according to the National Center for Complementary and Alternative Medicine. If you are taking anticoagulant therapy drugs, such as warfarin or coumadin, you must not use green tea beverages, extract or capsules. The additional vitamin K will make the drugs less effective and increase your risk of developing blood clots.

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