Right now in the United States, there are roughly 13 million men dealing with low testosterone and the effects of the condition. If you are a man over the age of 45, you automatically fall into a category of men where four out of every ten of you has a lower testosterone level than should be the case. The human body produces testosterone and it is mainly produced in men by the testicles. A man’s appearance and sexual development are affected by testosterone and the building of muscle mass and bone mass can be affected by low testosterone levels. Muscle …