Testosterone is a sex hormone; It is naturally produced in both men and women but at a much higher level and rate in men. Low testosterone isn't just about libido or becoming a stronger, bigger person. While this can be a positive effect of the treatment of low testosterone, the condition known as Low T is much more in-depth. It is what gives male the secondary sex characteristics of a man. Testosterone - which can profoundly reduce energy levels - is responsible for stimulating muscle growth, achieving normal erectile and cognitive functions, restoring energy levels and maintaining normal bone density. When testosterone is produced in lower quantities, it creates the condition known as hypogonadism, or Low T, all of these normal functions can begin to disappear. While this may seem concerning, low testosterone is readily , the free testosterone may be available in your body, just not being utilized.