What Is Creatine? Creatine is one of the most widely researched supplements in the fitness and health world. It’s a naturally occurring compound found in your muscles and produced in small amounts by your liver, kidneys, and pancreas. You can also get creatine through foods like red meat and fish—but only in small doses. SupplementingContinue reading “The Benefits of Creatine and Possible Side Effects: What You Need to Know”