What is testosterone?
Testosterone is the most important male sex hormone. It is responsible for a boy's development into a man during puberty and is necessary throughout a man's life for his health and quality of life. Testosterone is produced mainly in the testes and then enters the bloodstream from where it reaches its target organs.
What are the functions of male sex hormones?
It is known that male sex hormones are responsible for the growth of the beard,body and pubic hair, the male physique as well as libido and virility. Some hormones also boost performance by improving oxygen supply.
Moreover, they affect the brain through which the powers of concentration and memory and the mood can be improved.
General symptoms of testosterone deficiency are decreased sexual desire(libido), erectile difficulties, feelings of depression and fatigue. Also a change in body composition with associated decrease in muscle strength and increased fat mass is a common complaint of men with low levels of testosterone.