We have all seen those guys jacked in th gym, Getting the most every pump and wondered how this works, First we must understand testerone, This hormone regulates basically everything in the body ranging from fertility, to lean muscle mass, to the distribution of fat and finally the production of... We have all seen those guys jacked in th gym, Getting the most every pump and wondered how this works, First we must understand testerone, This hormone regulates basically everything in the body ranging from fertility, to lean muscle mass, to the distribution of fat and finally the production of...

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