Learn more and stay motivated by Pro Natural Bodybuilder, James Kohler, on achieving your ultimate physique most efficiently through Muscle Rx.  Take the guesswork out in creating the best body of your life by following this step-by-step program.  Individualized workouts are designed for the beginner, intermediate and advanced levels. 

Muscle Rx is your prescription to owning your dream body by becoming leaner, stronger and more muscular.  James shares his fitness and training secrets with his easy to understand instruction. The exercise techniques outlined will help you get the most out of your workouts.  Nutritional guidelines and dieting strategies are also given. Achieve higher results by implementing the five components of fitness; mental approach, nutrition, training, supplementation and recovery into your lifestyle. 

Endorsed by 3-time Mr. Olympia, Frank Zane.