As the primary male hormone, or androgen, testosterone regulates various aspects of your growth and development as a man. Testosterone plays a central role in shaping both your physical ...

Testosterone's effects on the body are wide ranging, including helping you grow and repair muscle and bone, produce red blood cells and stabilize mood and libido. During male puberty, testosterone ...

Testosterone is a naturally occurring steroid hormone. Despite its status as a steroid, prescription testosterone replacement therapy (TRT) isn’t the same as taking anabolic steroids. TRT is an ...

Testosterone plays a central role in shaping both your physical characteristics and reproductive functions, like your growth, sperm production, muscle mass, and deeper voice. It also influences your ...