To release the true power of supplements, it is important stack them together. This brings out their true potential and works them together synergistically which brings about gains you wouldn't get otherwise. But who has the time to sift through hundreds, if not thousands of products trying to put them together. Good manufacturers realize this and have put together complete cycles, stacks and kits to help you reach your fitness goals without all the fuss. Everything you need is included in the kit. All you have to do is follow the instructions and track your progress. If you were to purchase each item in a particular kit separately, it would cost you much more so you save big time.