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. Unique Needs . More than 100 testosterone derivatives have been synthesized, some of which are used in human medicine and to enhance athletic training and competition. Food Sources .
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.