Nutritional Scientific Corporation (NSC), nationally known as “The Beta Glucan Company”, is a privately owned research corporation with medical school researched beta-1,3/1,6 glucan as a focus. NSC manufactures and markets nationally and internationally a series of NSC IMMUNITION Products, with most containing MG Beta Glucan. The Nutritional Scientific Corporation Research and Distribution Center is a 10,000 sq ft facility on 2 acres in Liberty, Texas located in the Houston, Texas metropolitan area. NSC products featuring beta glucan were the first distributed and sold nationally and continue today as the premier beta glucan marketed directly, through retail stores, physicians, naturopaths, dentists and other health care providers. NSC does not sell through multilevel programs as do many competitors.