1. What is Testosterone Replacement Therapy (TRT)? TRT is a medical treatment aimed at boosting testosterone levels in men with low testosterone, a condition known as hypogonadism. It involves the administration of testosterone through various forms such as injections, gels, patches, or pellets. 2. Who is a candidate for TRT? Men diagnosed with hypogonadism, where the body cannot produce adequate levels of testosterone, are candidates for TRT. A doctor will perform tests to confirm low testosterone levels before recommending therapy. 3. What are the symptoms of low testosterone? Symptoms include fatigue, reduced libido, erectile dysfunction, loss of muscle mass, increased body fat, mood changes, and decreased bone density. 4. How is low testosterone diagnosed? A blood test measuring total and free testosterone levels is used to diagnose low testosterone. Doctors often conduct tests in the morning when testosterone levels are highest. 5. What are the different forms of TRT?