The majority of testosterone is produced by the ovaries, while a small amount is generated by the adrenal glands. Aromatase, an enzyme, converts a significant portion of this testosterone to estrogen. Total testosterone is composed of both free testosterone, which is not bound to proteins, and testosterone that is bound to proteins (like albumin and sex hormone-binding globulin) in the blood. Despite being commonly known as the primary male sex hormone, testosterone is essential for bone density, libido, body fat distribution, and supporting muscle mass
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