Rule1 utilize 25g per serving of Micellar Casein in this protein formula, so it keeps working long after you've left the gym. It's slow-release formulation is designed for occasions when you want a protein that takes its time and delivers its amino acids benefits over several hours. Overnight SensationR1 Casein provides 25g of slow-release protein in a thick and satisfying shake.† Made with 100% micellar casein proteinExtended amino acid deliveryFeeds muscles while you sleepNaturally rich in all 9 EAAs, including 3 BCAAs^^ R1 Casein's extended-delivery formula includes several positive negatives:ZERO Non-Casein ProteinsZERO CreamersZERO Amino SpikingZERO Banned Substances ^ These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.† Values per serving