I tend to be one of those guys with a lot of lean muscle, and it has always been hard for me to achieve any significant amount of bulk. I used to spend hours a week at the gym, and it was frustrating to do all that work and see very little in return. I started thinking about adding some muscle growth supplements to my training regimen, and I found one that was very highly recommended. I started taking it as recommended, and before long I had the bulk that had been lacking before. Now I have the broad, defined shoulders and back that I have always wanted!