GNC offers convenient services like mail-order vitamins, making it easy for customers who live far away. The staff, including Oscar and Chase, provide friendly and helpful customer service, assisting with products such as protein snacks and drinks. Customers appreciate the high-quality GNC brand whey protein powder, especially for its ability to maintain their weight. Overall, GNC is known for good service, quality products, and a positive experience, with many customers willing to return for more.
