EST CASEIN is a mix of micellar casein and sodium caseinate. This formula delivers a protein that keeps every single biological property with an excellent amino acid profile including a high BCAA concentration. This mix of two caseins allows for a slower digestion which in turn allows for a better muscular metabolism. Controlled regular use increases your muscular potential. Combining daily use of EST Casein with an intense workout will help you increase your lean muscle mass.