overwhelmingly ever since "regular" creatine hit the market in late 1990"s the vast majority of people polled reported numerous side effects with taking this nutritional supplement. And while "regular" creatine does work to help somewhat to improve athletic performance - it has become a No-No for many athletes. Since the discovery of creatine - consumers, weekend warriors, personal trainers, strength coaches, and even professional athletes have all have all reported negative side effects, from nausea, cramping, bloating, intestinal upset, kidney pain, etc...but, since there was no alternative supplement which provided the same result...they all just considered the side effects a necessary evil that they had to endure if they wanted to achieve improved athletic performance.