Green tea extract is one of the best selling weight control supplements on the planet. Most studies show it decreases fat and promotes weight loss, so it is no surprise that it is popular with weight trainers. Brazilian researchers, in a study on rats showed that green tea extract suppressed testosterone secretion. Injecting the animals with human chorionic gonadototropin (HCG) restored the capacity to produce testosterone via the adrenal steroid androstenedione, but did not restore testoster...
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