Decreased production of testosterone can be caused by subnormal activity of the gonads, resulting from problems in the testes, or in the hypothalamus or pituitary glands that stimulate testosterone production. In women, prior to menopause, the ovaries produce about one-tenth the amount of testosterone found in men's bodies. Requirements R.D.A. Minimal Requirements. Testosterone levels can be measured with a simple blood test, and monitoring of testosterone levels in the blood is highly advisable before and during testosterone supplementation. More than 100 testosterone derivatives have been synthesized, some of which are used in human medicine and to enhance athletic training and competition.
Proper nutrition is vital to healthy hormone production, including testosterone.
The various products are marketed under a variety of brand names. Pills are considered by some to be the least effective. Why People Take It Enhanced Sexuality. When men are young, their testosterone levels are at their peak. As men age, their testosterone levels naturally diminish, although some degree of testosterone production continues throughout a man's lifetime.