Millions of men worldwide want to know how to increase testosterone. Perhaps the biggest reason men want to know this is to enhance their sex life.

To a bodybuilder or athlete, on the other hand, learning how to increase testosterone level means to build bigger muscles faster without resorting to illegal anabolic steroids.

Women, believe it or not, also have a desire to increase testosterone level since they also naturally produce this important hormone in their bodies. Low testosterone occurs in middle-aged women as well as men.

With testosterone replacement therapy it is possible to alleviate or even eliminate a variety of different sexual maladies in both sexes.

Testosterone level decreases at two per cent a year in men after age 30 throughout the rest of their lives. It diminishes gradually in women from age 20 until it reaches half that level by age 40. Female testosterone decline ends after menopause.

Thus, to increase one's testosterone level back to normal is a way to improve the quality of one