The dose of testosterone is related to your blood level. The goal of supplementation is to bring your testosterone level into the normal range. If Testim is doing that, there should be no need for injections. More testosterone is not better for you and may cause some side effects. See: <a href="http://www.seekwellness.com/andropause/c_risks.htm" target="_blank">http://www.seekwellness.com/andropause/c_risks.htm</a><br> <br> Testosterone supplements may lessen your joint and back pain as your blood level is brought into the normal range.