Although it is the primary male hormone, women also benefit from having adequate levels of this hormone that is produced in the testis, ovaries and adrenal glands. At optimal levels testosterone increases bone density and aids bone formation, increases muscle strength and muscle mass, enhances energy and sex drive, improves erectile function, decreases body fat, has a positive effect on lowering LDL (bad cholesterol) increasing HDL (good cholesterol), lowers blood pressure, creates a sense of well being, and protects the brain against the protein deposits that lead to Alzheimer’s disease. To learn more on this and other related subjects visit us at AgeFocus.net