Men: Testosterone is a hormone produced primarily in the testicles. Testosterone helps maintain men's:
- Bone density
- Fat distribution
- Muscle strength and mass
- Facial and body hair
- Red blood cell production
- Sex drive
- Sperm production
Women: Combined with estrogen, the female sex hormone, testosterone helps with the growth, maintenance, and repair of a woman's reproductive tissues, bone mass, and human behaviors. An imbalance of testosterone in the female body can have damaging effects on a woman's health and sex drive.
