Green tea also contains Catechins and Phenols (antioxidants) which are responsible for many wonderful health benefits.* There are only two ways to lose weight: reduce food intake or increase energy expenditure. The former means eating less (in terms of caloric value.) The latter means exercising more. Green Tea has been shown to aid in increasing energy expenditure. Green tea helps stimulate the use of fatty acids by the muscle’s cells during exercise.* The American Journal of Clinical Nutrition published findings that showed compared to a placebo, taking green tea extract caused a significantly greater increase in energy expenditure than pure caffeine.