By Roxane Zaragoza The muscle building supplement creatine is actually a natural substance which is most commonly found in foods such as red meat. However it has become a staple supplement for many bodybuilders who use creatine for building muscle, as it has been shown to help bodybuilders in a number of ways. Before you think about taking creatine make sure you speak to your doctor. Creatine muscle building is a well known way to gain the edge from every workout. While creatine isn't really...