GNC sets the standard in the nutritional supplement industry by demanding truth in labeling, ingredient safety and product potency, all while remaining on the cutting-edge of nutritional science. As their company has grown over the years, so has their commitment to Living Well. In fact, GNC is the world's largest company of its kind devoted exclusively to helping its customers improve the quality of their lives. From scientific research and new product discovery to the manufacturing and packaging processes, GNC takes pride in their rigorous approach to ensuring quality. Their commitment to quality extends to their interactions with you in their stores and after you buy their products.