GNC AMP - Sustained Protein Blend GNC AMP Sustained Protein Blend is a protein powder combining hydrolyzed whey protein, whey concentrate, milk protein isolate, and micellar casein
Train Harder: Recover With Rapid-Release Amino Acids: Sustained Protein Blend harnesses the power of two distinct protein varieties, including rapid-release protein for an immediate surge of BCAA when your muscles need it most
Keep Fueling Gains With Ongoing Muscle Support: GNC AMP protein blend also includes slower digesting, sustained-release proteins with up to seven hours of muscle fuel for ongoing muscle protein synthesis
Shake Up Your Daily Protein Intake: Enjoy any of Sustained Protein Blend's flavors with cold water or milk in a shaker cup or as part of a smoothie and blended with fruits, juices, peanut butter, or yogurt. GNC's online Learning Center has free recipes for baking with protein, too!
Science You Trust: GNC delivers expert-backed nutrition solutions designed to help you live well, stay strong, and support your health every day