NutraBio 100% Whey Protein Isolate is scientifically designed to provide 25 grams of protein that's a clean and pure source of protein derived solely from 100% Whey Protein Isolate — which research has shown to ignite muscle protein synthesis, promote optimal nitrogen retention, and accelerate muscle growth and repair. This high-quality Whey Protein Isolate contains no whey concentrate or other inferior proteins and no amino spiking, added carbs, maltodextrin, dextrose, creamers, or any other fillers — just pure cross-flow ultra-filtered, non-denatured whey isolate protein supplements.