GNC is highly praised for its friendly and helpful staff, especially at the Lewis Center location. Customers often mention a warm welcome and excellent customer service, with staff members like Destiny and Dan going above and beyond to assist. Destiny, in particular, is recognized for her knowledge, professionalism, and genuine care for customers' needs, often providing personalized recommendations and insights, especially for medical issues. She has helped customers find solutions outside of prescriptions and even ordered special products unavailable elsewhere. Customers appreciate the staff's patience, willingness to answer questions, and overall positive attitude. Many feel that this GNC location genuinely cares about people and offers quality products and support. Overall, the store is recommended for its supportive staff, great products, and welcoming environment, making it a favorite stop for those seeking health and wellness solutions.