Dymatize Elite Casein delivers 24 grams of sustained-release protein, with over 10 grams of critical branch chain amino acids (BCAAs) and glutamine-glutamine precursors per serving. We use only premium, 100% micellar casein, one of the slowest absorbing protein available, plus the advanced enzyme matrix, Zytrix to promote maximum absorption and utilization of our casein protein while supporting muscle nourishment for as long as seven hours.