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Green Tea Leaf Extract

What it is:

Green Tea Leaf Extract is a concentrated form of the active compounds found naturally in green tea leaves. These compounds include polyphenols, particularly catechins such as epigallocatechin gallate (EGCG).


Cachectins are known for their antioxidant properties and ability to promote thermogenesis (increased calorie burning) and fat oxidation. 


This 2009 meta-analysis found that green tea extract has a stronger effect on weight loss when compared to placebo. The authors analyzed results from 978 subjects across 11 randomized controlled trials comparing two groups -- one with green tea extract and one with a placebo. Additionally, each group was subjected to a calorie deficit, ensuring that the results were attributed to the green tea extract rather than just the effect of eating less.