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Green Tea Protects Against DNA Damage

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green teaWhen reaching for your morning brew, consider first. Here’s why: New research shows it can help keep your cells young. After drinking green tea every day for a month, subjects in combined methodology — human supplementation trial and an in vitro — study experienced a 20% reduction in damage, according findings published in the British Journal of Nutrition.

Researchers recruited 18 healthy subjects who were randomly assigned to drink two cups of green tea daily for four weeks. When their body fluids were analyzed, there was a 20% reduction in DNA damage, even though oxidative stress biomarkers remained the same. It appears that green tea’s compounds act as kryptonite against free radicals.

Can hundreds of studies be wrong? This research adds to the ever-growing body of science that shows the potential benefits of green tea: reducing the risk of certain cancers, increasing weight loss, and protecting against Alzheimer’s disease.


Hanal KC et al. British Journal of Nutrition. 2010 Sep 1:1-8. [Epub ahead of print]

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Article updated on: October 22nd, 2010

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3 Responses to “ Green Tea Protects Against DNA Damage ”

  1. Sns 718 on October 28, 2010 at 4:12 PM

    Is green tea extract a suitable alternative to drinking green tea? I just don’t like the taste.

    • Mina on October 29, 2010 at 2:04 PM

      While this study involved people drinking green tea, rather than taking a supplement, there are hundreds of studies that have demonstrated remarkable benefits associated with green tea extracts high in EGCG. And if you are planning to use green tea for specific therapeutic benefits, an extract is definitely the way to go. The EGCG content of brewed green tea can vary significantly, and the only way to ensure that you are getting consistent high doses of EGCG and other antioxidant polyphenols is to take a standardized extract. Stop Aging Now happens to make some excellent green tea products. :) See: http://www.stopagingnow.com/category/5497/Green-Tea-Extract