Steve and Karen Rau successfully launched NS Nutritional supplements in September of 2025. In addition to the supplement line, they also own Razor Fitness, a bodybuilding gym located in Sheboygan, Wi. Both Steve and Karen specialize in optimizing athletic performance by custom weight training with a focus on nutrition to optimize physical results. Both are competitive athletes, so they know what it takes to achieve optimum performance and that starts with fuel! Their premium supplement line helps to promote muscle growth, recovery, and fat loss.