GNC offers a positive shopping experience with friendly and knowledgeable staff. Customers appreciate the helpfulness and personalized advice provided by associates, which makes selecting the right supplements easier. Staff members are patient, go above and beyond to resolve issues, and create a welcoming environment, even for those visiting for the first time. The store’s team is committed to providing valuable information about products and health goals, helping customers leave feeling confident and well-informed. Overall, GNC stands out for its excellent customer service, helpful staff, and dedication to assisting customers with their supplement needs.
Always the best time at GNC Martinsburg! Cody is the best, and the store is always so organized. Definitely in my top 5 of GNCs I’ve been to 😉 And my son loves it too 😁
January 2026
Cody is the best sells manager. He takes his time with his customers
November 2025
Best choice ever, came in tonight, cause I wasn't getting anything out of my pre workout. The gentleman that helped me turned up my entire game! Thanks Bud!!! Definitely my store
