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What is Testosterone

Testosterone

Testosterone is a steroid hormone that belongs to the androgen group. It is primarily secreted in the testes of males and the ovaries of females, although small amounts are also secreted by the adrenal glands. In men, testosterone plays a key role in the development of male reproductive tissues such as the testis and prostate, as well as promoting secondary sexual characteristics including increased muscle and bone mass, and the growth of body hair. In addition, testosterone is essential for health and well-being, and for the prevention of osteoporosis.

In both men and women, testosterone is instrumental in sex drive, energy, and behavior. The hormone has anabolic effects, contributing to the growth, maintenance, and repair of muscle tissue. It regulates key functions in the body like muscle growth, fat loss, and optimal health. Testosterone levels naturally decline with age in both sexes, which can lead to various health problems.

Testosterone’s effects can broadly be classified into two main types: anabolic, meaning that they build up organs and tissues, and androgenic, meaning that they develop and maintain masculine characteristics. This balance of effects is what makes testosterone a critical hormone for both physical and mental health, influencing everything from muscle strength and bone density to mood and cognitive function.

Brain

Your thinking abilities and general sense of well-being, including your mood, energy level and sense of vitality, and sexual drive or libido are all affected by testosterone.​

Muscle

Testosterone creates muscle cells and causes them to grow in size and strength.

Fat

It has been shown to reduce body fat, particularly in the midsection and chest. The result is an improvement in lean body mass.

Bones

Testosterone helps prevent the normal bone destruction of aging and improves bone density. This reduces the risk of osteoporosis and fractures.

Heart

Testosterone can influence cardiovascular risk factors indirectly through its effect on the amount of fat in your body, and there is evidence it benefits the heart directly. It may help open the coronary arteries, and possibly improve cardiac function in people with heart disease and heart failure.

Sex

Low testosterone can reduce your ability to have satisfying sex. Lack of sex drive and erectile dysfunction are sexual problems that can result from low testosterone.

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