What is Testosterone? Testosterone is a hormone that is created in males & females in humans and some animals. Testosterone is vital to sex drive & sperm production but it also affects bone density, muscle mass, how our bodies store fat as well as facial & body hair. Testosterone affects red blood cell production and even mood stability. Testosterone is created in the testicles in males and, in much smaller amounts, in the ovaries of females after the pituitary gland sends a signaling…
