A Simplistic Nutritional Approach For A Visually Stunning Body. Simplify eating for fat loss and/or muscle building and watch as I bust the traditional – that is, unproven and gimmicky rules of nutrition. You KNOW what these rules are. You’re all too familiar with them. Which one do you hate the most? I break these “rules”, yet the results are faster, much more prominent and easier to maintain. The books author certified personal trainer and nutrition specialist, Kasper Valsted Christensen, has more than 20 years of coaching experience and has trained over 10,000 clients from all walks of life. As one of the leading personal trainers in Denmark, he is known as “the transformation specialist” and is the goto body transformation coach. He and his wife personal trainer Joan Lang founded Fortius Fitness Personal Trainings Center which can be found on several locations in Denmark.