Sustained Protein
Chocolate Milkshake
GNC AMP Sustained Protein Blend features four high-quality protein sources that provide up to 7 hours of sustained release protein delivery. Each serving delivers 25g of protein including whey isolate, micellar casein, egg whites, and whey hydrolysate, along with 5g of BCAAs for comprehensive muscle support.
(Last updated 15 days ago on February 2, 2026)
Protein Blend (Native Micellar Casein, Native Whey Protein Isolate, Whey Protein Hydrolysate, Egg White Protein), Cocoa (Processed With Alkali), Natural and Artificial Flavors, Gum Blend (Cellulose Gum, Xanthan Gum, Carrageenan), Sunflower Lecithin, Creamer (Sunflower Oil, Maltodextrin), Sodium Caseinate, Natural Tocopherols, Tricalcium Phosphate, Sucralose, Acesulfame K
(Last updated 15 days ago on February 2, 2026)
