NutraBio 100% Whey Protein Isolate is scientifically designed to provide 25 grams of clean, pure 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. Our 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.