I am writing this review of testosterone products based on the studies and reports of those who have been using testosterone supplements for a number of years. I am in the process of writing my own supplement review book for those of you interested in learning the ins and outs of testosterone supplementation. I have a full-time job, a home, and a wife. Treating problems that are often caused by testosterone deficiency and that are more common in men over 45 years of age are the most common things I recommend in this supplement review. There are many other things that I have written about. I am a certified athletic trainer and have written many books about exercise, strength training, and nutrition. My book, "Athlete's Workout," was recently published. I have been writing about my book for more than a year and have had it read by hundreds of people. The book is 100% free. You can find it on amazon or anywhere else you can find a book for cheap. It is also available as a digital download. You can read the reviews and the testimonials by clicking on the links below. If you want to know more about testosterone supplements, I am happy to answer any questions you may have.