WHAT IS TESTOSTERONE?
A white crystalline steroid hormone naturally produced in the testes. Among other things it is responsible for the development and maintenance of male secondary sex characteristics - like growth of body hair and muscle mass. Chemical composition is C19H28O2.
TESTOSTERONE IN MEN
Testosterone is part of a type of male hormone called androgens, and is for intense and purposes a male sex hormone. It is really important for sexual and reproductive development. In men, testosterone is produced mainly in the testes, and production is controlled by the brain's hypothalamus and pituitary gland.
Testosterone is involved in the development of male sex organs, and the development of secondary sex characteristics at puberty, such as voice deepening and growth of facial and body hair. It also plays a role in sperm production, fat distribution, maintenance of muscle strength and mass, and sex drive.
TESTOSTERONE & YOUR ENTIRE BODY
Testosterone runs through blood and impacts many organs and tissues in your body, including your brain, muscles, fat, bones and sexual organs.