If you’re into rowing or strength training, chances are you’ve heard of creatine. It’s one of the most studied and widely used supplements in the world of sport. But what exactly is it? What does it do? And should you be taking it? Let’s break it down. What Is Creatine? Creatine is a substance that your body naturally makes from amino acids (the building blocks of protein). It's stored in your muscles and used as a quick energy source during short bursts of high-intensity exe