General Nutrition Centers (GNCs) are specialty retailers of health and wellness products. Their products include protein powders, sports supplements

General Nutrition Centers (GNCs) are specialty retailers of health and wellness products. Their products include protein powders, sports supplements, weight management supplements, vitamins, and wellness supplements. GNC generates revenues from franchise activities, third-party contract manufacturing, and international sales. The company has locations in the United States, Canada, and around the world.