GNC Headquarters Address, Corporate Office Location, and Contact Details
About
GNC (General Nutrition Centers) is the world’s largest specialty retailer of nutritional supplements, headquartered at 75 Hopper Place, Suite 501, Pittsburgh, Pennsylvania 15222 — a 75,000-square-foot flagship office occupying the top three floors of the 3 Crossings campus in Pittsburgh’s vibrant Strip District neighborhood along the Allegheny riverfront. Founded in 1935 in Pittsburgh by David Shakarian, GNC emerged from bankruptcy in 2020 and was acquired by Harbin Pharmaceutical Group of Harbin, China, while retaining its American HQ and operational identity in Pittsburgh. The company operates thousands of retail locations across the US, Canada, and international markets through a mix of company-owned and franchised stores.
Quick Facts
Founded
1935 (Pittsburgh, PA)
Industry
Nutritional supplement specialty retail
Current HQ
75 Hopper Place, Suite 501, Pittsburgh, PA 15222
Former HQ
300 6th Avenue, 14th Floor, Pittsburgh, PA 15222
Parent Company
Harbin Pharmaceutical Group (Harbin, China)
Corporate Phone Number
(412) 288-4600
Customer Service Number
1-877-462-4700
Customer Service Alternate Number
1-888-462-2548
Website
gnc.com
What Brings You Here? Find the Right Contact
GNC customer service number — online order, return, or refund dispute
Call 1-877-462-4700 or use the contact form at gnc.com/contact-us for online purchase returns, billing corrections, and refund requests.
GNC retail store complaint number (in-store product or service
Contact the store manager at your local GNC location first; for corporate escalation, call 1-877-462-4700.
GNC Pro Access membership dispute number
Call 1-877-462-4700 for GNC Pro Access loyalty membership billing, cancellation, and subscription inquiries.
GNC franchise or business inquiry
Contact GNC franchise development through gnc.com/franchise for store ownership and franchising opportunities.
Legal / subpoena
Serve GNC Holdings, LLC, 75 Hopper Place, Suite 501, Pittsburgh, PA 15222. Confirm the registered agent through the Pennsylvania Department of State at dos.pa.gov.
Phone & Contact Directory
Customer service number
1-877-462-4700
Customer service alternate number
1-888-462-2548
Corporate HQ number
(412) 288-4600
Website
gnc.com
Corporate Headquarters & Office Addresses
Current HQ Address
75 Hopper Place, Suite 501, Pittsburgh, PA 15222
Former HQ Address
300 6th Avenue, 14th Floor, Pittsburgh, PA 15222
Distribution/Operations
28 Federal Drive, Pittsburgh, PA 15235
China HQ
Harbin, China (Harbin Pharmaceutical Group parent)
How to Escalate a Complaint
- Call 1-877-462-4700 — GNC’s primary customer service line for product, order, and membership disputes.
- Call 1-888-462-2548 — Alternate customer service number for product and in-store complaints.
- Use gnc.com/contact-us — Submit documented written complaints through the official contact page for tracked corporate responses.
- Speak with your store manager — For in-store complaints, the store manager has the authority to resolve most disputes on the spot.
- Call (412) 288-4600 — Corporate HQ direct line for escalations beyond the customer service level.
- Mail to the Pittsburgh HQ — Write to GNC Holdings, LLC, Customer Relations, 75 Hopper Place, Suite 501, Pittsburgh, PA 15222.
- File with the Pennsylvania AG — The Pennsylvania AG’s consumer protection division at attorneygeneral.gov handles Pittsburgh HQ-based complaints.
- File with the FTC — For deceptive product labeling, misleading advertising, or unfair membership billing practices, file at ftc.gov/complaint.
- File with the BBB — GNC Holdings is listed with the BBB (Pittsburgh, PA). File at bbb.org.