I have for the last year been supplementing DHEA of 100mgs and i have risen my Testosterone levels back into what is considered a normal range. On Feb 9, 2007 i had a Testosterone level of 16 what is very low considering the range which is supposed to be normal 44-148 pg/ml. After about 22 months of supplementing DHEA and feeling great, i retook a hormone test for my DHEA and testosterone and got a score of 80 based on a normal range of 44-148 pg/ml. I use a company called ZRT laboratories and its a home test based on your saliva. Its rather inexpensive i think i paid $55 for the 2 hormones tested. If anyone is out there and are suffering from low testosterone or think they are. Its a cheap way of finding out without having to go to a doctor and paying hundreds. Thought i would just report some of my results for anyone that has had low testosterone and what i had done to raise them. I am also now using a ROP to see if i can really get my test levels even higher. i started using my ROP after the test.