I’m going to GNC today to pick up a new protein powder, because my old (Monster Mass) was launched. I wonder if anyone knows that any protein shakes to build for my good? “I’m £ 16,123 .5 7″ Slim (not runners Muscular body) is looking to find one with high calorie and high protein content, I can weight gain and put on the muscle. thanks. Oh, and only protein powder at GNC.