GNC receives consistently positive reviews for its knowledgeable and friendly staff. Employees are described as patient, professional, and genuinely helpful, taking time to understand customer needs and explain product differences clearly without pressure. The team offers solid recommendations and demonstrates an impressive wealth of product knowledge. Customer service is highlighted as outstanding and top-notch. Customers feel confident in their choices, appreciate the great advice, and note the great value for the products. The overall experience is reported as excellent and awesome, making it a highly recommended spot for real guidance and great products.