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Testosterone is the male sex hormone produced principally by the testes. The amount of testosterone produced is controlled by the follicle-stimulating hormone (FSH) and luteinizing hormone (LH), both of which are secreted by the front lobe of the pituitary gland. At the onset of puberty, there is an increase in the production of testosterone, particularly in boys.

Testosterone stimulates the development of male secondary sexual characteristics. These include facial and pubic hair; enlargement of the larynx, which produces deepening of the voice; enlargement of the penis and testes; alteration of body shape; and an increase in muscle strength.

Both Men and Women need testosterone for optimal health. Testosterone is needed for libido, muscle strength, leanness, and sense of well being.
Menopausal women have low to non-detectable testosterone levels with resultant loss of libido and increase in body fat. Return of libido and improved mood return within days of testosterone replacement by transdermal cream. Regrowth of muscle and bone occurs within months and is facilitated by a weight resistance training program.

The testosterone level in males peaks at age 17 and declines 1% per year thereafter. A middle-aged male can therefore have a testosterone level 50% below his peak in young adulthood. This problem can be compounded by the increased production of sex binding globulins, which make the lowered testosterone that is present even less effective. Loss of testosterone in males contributes to atherosclerosis and heart attacks, obesity, fatigue, depression, and anxiety. These symptoms come on long before the male loses his sex drive or becomes impotent. There is no evidence that testosterone replacement therapy in males causes prostate cancer or prostate enlargement. In fact, some Urologist-Oncologists say that testosterone may decrease the incidence of prostatic hypertrophy and prostate cancer. Doctors use topical testosterone replacement as an essential part of its Hormone Replacement Theory (HRT) program for both men and women based on the patient's total and free testosterone levels and their levels of sex binding globulins.

Testosterone

* Boosts male and female libido
* Facilitates a healthy heart
* Helps prevent osteoporosis
* Fights fat
* Increases muscle strength and improves appearance

Testosterone References:

Carter HB, Pearson JD, Metter EJ, Chan DW, Andres R, Fozard JL, Rosner W, Walsh PC. Prostate 1995 Jul;27(1):25-31.

Longitudinal evaluation of serum androgen levels in men with and without prostate cancer.

There was no correlation of serum testosterone or free testosterone with prostate cancer
Cooper CS, MacIndoe JH, Perry PJ, Yates WR, Williams RD. J Urol 1996 Aug;156(2 Pt 1):438-41; discussion 441-2

The effect of exogenous testosterone on total and free prostate specific antigen levels in healthy young men.

There was no increase in PSA when supplemental testosterone was used.

These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease.