The maintenance of normal testosterone levels

Testosterone is a hormone that plays an important role in the development and maintenance of a man’s health. The amount of testosterone your body produces is controlled by the brain's hypothalamus and the pituitary gland.

A man concentrates

Testosterone levels between 300 ng/dL and 1000 ng/dL are generally considered in the normal range.

Testosterone production

The brain and the testes work together to maintain a normal level of testosterone. When levels of testosterone are below the normal range, the brain signals the testes to make more.

Once there is enough testosterone, the brain signals the testes to make less. Together, a normally functioning brain and testes will communicate to maintain testosterone levels in the normal range.

Hypogonadism visual - Men with hypogonadism may have disrupted signals from the pituitary gland to the testes

Hypogonadism may be caused by disrupted signals from the pituitary gland to the testes. This may be a result of an abnormality or damage.

*A malfunction in the testes may also cause hypogonadism.

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