PITTSBURGH--(BUSINESS WIRE)--GNC Holdings, Inc. (NYSE:GNC), a leading global specialty retailer of health and wellness products, today announced that it has reached an agreement with the New York Attorney General regarding the Company’s Herbal Plus® products. The agreement affirms that the relevant GNC products were in full compliance with the federal Food and Drug Administration “Current Good Manufacturing Practices” and acknowledges GNC’s full cooperation with the Attorney General’s inquiries