GNC Holdings, Inc. has introduced an innovative range of supplements aimed at the large, fast-growing weight management category. The company's new Slimvance Core Slimming Complex is an innovative/cutting edge all natural, non-stimulant weight management botanical blend with clinically proven results. Consumers' initial response to the product has been strong. The addition of Slimvance extends GNC's leadership position in the $6.1 billion weight management market, which is expected to grow at a compound annual growth rate of more than 4% through 2020. The company believes Slimvance has the power to attract new customers, build basket size and deliver incremental sales growth, and plans to add new products to the line during 2018.