According to our records, this business is located at 233 N Michigan Ave. in Chicago (in Cook County), Illinois 60601, the location GPS coordinates are: 41.8869791 (latitude), -87.6231281 (longitude). GNC is categorized under Salt (SIC code 5499). Known organization manager is Syed Hamed. Current estimates show that the unit has a sales volume of $220,000 and staff of approximately 2 people. You can contact the company by phone at (312) 938-9000.