Testosterone is a hormone produced by the testicles and is responsible for the proper development of male sexual characteristics. Testosterone is also important for maintaining muscle bulk, adequate levels of red blood cells, bone growth, a sense of well-being, and sexual function. Complete report on Testosterone market spread across 54 pages providing 4 company profiles and 33 charts and 4 tables is now available at http://www.marketreportsonline.com/481261.html.