Trophos® is an expensive product, and it can be very difficult to find the correct type, dosage and delivery system. You may want to try one of the many other products on this page. Trophos® is very expensive! In my experience, I have found that most of the new, popular brands of testosterone are not very effective for men with low testosterone levels. There are several different types of testosterone available, and different formulations can help you achieve your goal. Here are some questions you may have about Tophos®. What is testosterone? Testosterone is a male hormone that is produced by the pituitary gland. It is the male sex hormone. Why should I take testosterone? It is important to take testosterone for various reasons. First, testosterone helps to build and maintain muscle and bone. Secondly, testosterone helps in male fertility. In men, testosterone levels decrease during the menopausal period. Thirdly, the low testosterone levels help in treating the various forms of male infertility such as scrotal and prostate cancer. Which types of testosterone do you need to take? What is your testosterone level? The testosterone levels of an individual vary greatly, and it depends on the individual as well as their age, diet, exercise, and medical condition.