I know people have different reasons for working out.  I’ve found that exercising regularly gives me more energy.  My main focus right now is to burn fat; much to my chagrin the Ben & Jerry’s ice cream diet hasn’t been working out for me.  Seriously though, I realize losing weight is not all about cardio exercise.  In fact, building muscle is the long term solution to burning fat (along with a healthy diet, of course).  So, I started lifting weights in addition to running.  I feel great at the gym, but sometimes I feel like I fail too early and want to get more out of my workout.  I ran into these Muscletech Gakic reviews and learned this product can help prolong my failure and help me get a few extra reps in.  I haven’t been able to find any negative side effects on it either.  It looks like you can gain muscle a lot faster by using this product, which is exciting to me.