About this item

• GNC AMP Mass XXX (9 Servings) is a science-based gainer supplement. It has the right balance of carbs, high-quality protein, and other nutrients to help achieve maximum gains.
• The foundation of Amplified Mass XXX provides a ration of nutrients that helps accelerate increases in lean mass and exercise performance.
• Miconized amino acids are one which are pulverized into small particles to facilitate faster absorption.
• These key amino acids including glutamine, leucine and arginine, all support muscle protein synthesis and other key processes crucial to gaining mass.
• GNC Whey Proteins are World Anti-Doping Agency (WADA) Approved and Informed Choice Certified.Products bearing this logo have been tested for banned substances.