Maldorf used Syntherol  and got excellent results even though he used it during a dieting period. He lost over 15 pounds of fat yet his arms still came out at 19inches at the end of the Syntherol cycle.

You can read his log and what others had to say here:

http://www.professionalmuscle.com/forums/professional-muscle-forum/26221-my-experience-syntherol-synthetek.html