Testosterone will be the main sex hormone found in adult men, recognized to normalize things like libido, sperm output, as well as the dispersal of fats and muscles in your system. Male growth hormone concentrations (often called T-concentrations) fluctuate while you age, and may refuse about 1-2 per cent each and every ten years once you flip 30. This absence of male growth hormone (and also other masculine making love hormones) might be labelled as androgen deficiency.