General Nutrition Center 65 Gateway Dr # 401 Mechanicsburg, PA 17050 Phone : (717) 697-6222 Business Category Health & Diet Foods-Retail Miscellaneous Food Stores Gnc 65 Gateway Dr # 401 Mechanicsburg, PA 17050 Phone : (717) 697-6222 Business Category Health & Diet Foods-Retail Miscellaneous Food Stores