I have been working out for about 6 years and have tried most of the high profile muscle builders, some working more than others. I have made the discovery I was looking for. I have been using the Dr Max Powers HGH Spray for 2 months and I can feel it like nothing else. Im not sure if it is energy, strength or what. I have bigger pumps and an overall better work out. I would recommend this product to anyone who wants the best value for their money.