GNC AMP Sustained is an innovative protein supplement that delivers seven hours of sustained protein release throughout the day, with four protein sources including native whey isolate, micellar casein, egg whites, and whey hydrolysate.

This unique blend harnesses the power of two distinct protein sources for immediate muscle fuel and on-demand muscle support, recovery, and growth.

With essential BCAA's and other nutrients, GNC AMP Sustained supports increased muscle strength and size by up to 30% in just eight weeks.

Gluten-free and available in several delicious flavor profiles, this supplement mixes easily into cold water or any other beverage and can be consumed in the morning and pre or post-workout for maximum results.

Don't miss out on the opportunity to fuel your body with the best in performance inspired nutrition from GNC, the leading global health and wellness brand for over 85 years.