This major androgenic hormone is important for both men and women.
Some researchers consider testosterone also to be a weak estrogen.
One of the least known secrets about natural hormones is that testosterone decreases cholesterol levels in both men and women. Testosterone also increases the desire for sexual activity. Testosterone can also be effective in women for preventing and reversing osteoporosis. A recent study found that combining natural estrogen with testosterone increased bone density in women with osteoporosis.