Male growth hormone: Testosterone Testosterone is a steroid hormone that is manufactured by the male testes organs, which is also regarded as the primary sex hormone by many medical practitioners. The common misconception about this male growth hormone, testosterone, is that it is looked upon as being the exclusive domain of men, since it is responsible for the development of male sexual characteristics; however, this is not entirely true. ( http://www.advice-hgh.com/testosterone.html )Testosterone, the so-called male growth hormone, is also connected to women and their health issues being produced in female bodies by the liver and adrenal glands. So, there's busting the first philosophy about the power of this male growth hormone! Let's get on with some of the things it can do in the real world.