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 the company has grown over the years, so has the 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 it's rigorous approach to ensuring quality. The brand commitment to quality extends to interactions with customers in stores and after they buy GNC products.