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Testosterone
Last update: Saturday 31st of July 2010
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Testosterone | |
| Systematic (IUPAC) name | |
| 17b-hydroxy-4-androsten-3-one | |
| Identifiers | |
| CAS number | |
| ATC code | G03 |
| PubChem | |
| Chemical data | |
| Formula | C19H28O2 |
| Mol. mass | 288.43 |
| Physical data | |
| Melt. point | 155-156 °C (-94 °F) |
| Spec. rot | +110,2° |
| SEC Combust | −11080 kJ/mol |
| Pharmacokinetic data | |
| Bioavailability | ? |
| Metabolism | Liver, Testis and Prostate |
| Half life | 1-12 days |
| Excretion | Urine |
| Therapeutic considerations | |
| Pregnancy cat. | X (USA), Teratogenic effects |
| Legal status | Schedule III (USA) |
| Routes | Intramuscular injection, transdermal (cream, gel, or patch), oral, sub-'Q' pellet |
Testosterone is a steroid hormone from the androgen group. Testosterone is primarily secreted in the testes of males and the ovaries of females although small amounts are secreted by the adrenal glands. It is the principal male sex hormone and an anabolic steroid. In both males and females, it plays key roles in health and well-being. Examples include enhanced libido, energy, immune function, and protection against osteoporosis. On average, the adult male body produces about twenty to thirty times the amount of testosterone that an adult female's body does.
Great information on the effects of what happens as men lose testosterone levels as they get older.
Did you know that when you cry, testosterone is one of the many elements that make up a tear-drop? I bet you didn’t. I’ve known this for many years and I’ll tell you why this matters.
Various studies indicate that just two hot and steamy cups of spearmint tea consumed over a five day period can result in a significant reduction in the level of free testosterone in women. Blood tests performed on the women participating in the study concluded that the women's levels of androgens dropped considerably after the fifth day. The scien