Testosterone

What is testosterone?

Testosterone is a hormone that is produced primarily in the testicles for men and the ovaries and adrenal glands for women. This hormone is essential to the development of male growth and masculine characteristics. For women, testosterone comes in much smaller amounts. Testosterone production increases about 30 times more during adolescence and early adulthood. After early adulthood, it’s natural for levels to drop slightly each year. Your body may see a one percent decline after you’re 30 years old.

Testosterone plays a key role in your:

  • muscle mass and bones
  • facial and pubic hair
  • body’s development of deeper voices
  • sex drive
  • mood and quality of life
  • verbal memory and thinking ability

See your doctor if you’re concerned about low testosterone. Because it’s natural to have low testosterone as you age, some symptoms such as decreased muscle mass, increased body fat, or erectile dysfunction may be a sign of other conditions.

You may be interested in boosting your testosterones levels if your doctor says you have low levels, or hypogonadism, or need testosterones replacement therapy for other conditions. If you have normal testosterone levels, increasing your testosterone levels may not give any additional benefits. The increased benefits mentioned below have only been researched in people with low testosterones levels.

 

In adults, testosterones has effects across the body:

  • Muscles: Increases protein synthesis, and increases muscle mass and strength.
  • Body Fat: Blocks the uptake of fat and storage of fat, and increases the number of fat burning beta-adrenergic receptors.
  • Brain: Improves cognition, memory, sex drive, and affects feelings.
  • Heart: Increases blood flow and cardiac output.
  • Bone: Increases red blood cell production and bone growth, and maintains bone density.
  • Male Sex Organs: Supports sperm production and viability, and promotes penis growth and erectile function.
  • Skin: Supports collagen production and produces hair.
  • Kidneys: Produces erythropoietin (EPO), which stimulates red blood cell production.
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