GNC AMP Sustained: Efficient Protein Release for Optimal Recovery

Unique Full-Day Protein Delivery
GNC AMP Sustained is a comprehensive dietary supplement featuring four protein sources—native whey isolate, micellar casein, egg whites, and whey hydrolysate. This blend delivers sustained protein release for up to seven hours, keeping your body nourished throughout the day.

Rapid Fuel & Sustained Support
Our formulation combines two distinct protein sources: rapid release protein for immediate muscle fuel and sustained protein for on-demand support and recovery. This unique blend ensures you have the complete range of proteins needed for peak performance.

Enhanced Muscle Strength & Size
Powered by our ripped whey protein blend, GNC AMP Sustained supports anabolic muscle growth. Studies show a 30% increase in muscle strength and size within just eight weeks, providing a noticeable and impressive improvement in muscle health and performance.

Convenient Flavor & Usage
Our recipe is gluten-free and available in several delicious flavors. Mix one scoop in 8 fl. oz. of cold water or your favorite beverage. Consume in the morning and before or after workouts for maximum benefits. For best results, take two scoops twice daily. Avoid consumption close to bedtime.

GNC: A Trusted Name in Nutrition
For over 85 years, GNC has been the global leader in health and wellness, dedicated to setting industry standards. We are committed to utilizing the latest advancements in nutritional science to inspire individuals to live well. Trust GNC to help you achieve your fitness goals.