GNC (General Nutrition Centers) is a global specialty retailer of health and wellness products. The company offers a wide range of vitamins, supplements, sports nutrition products, and personal care items. GNC's product categories include protein powders, weight management supplements, performance enhancers, vitamins and minerals, and natural health products. Popular items include their own-brand supplements, pre-workout formulas, and protein bars. GNC is known for its high-quality standards and innovative product formulations. The company frequently runs promotions, such as buy-one-get-one-half-off deals and seasonal sales with discounts up to 50% off selected items. Customers can often find discount codes for additional savings, typically offering 15% to 30% off entire purchases or specific product lines. GNC also offers a loyalty program where members can earn points on purchases and receive exclusive offers. With its extensive range of health and fitness products, GNC appeals to health-conscious consumers, fitness enthusiasts, and athletes looking to support their wellness goals.