Dymatize Elite Casein Chocolate Protein Powder is slow-digesting, slow-absorbing & slow digesting protein powder that help to grow and maintain muscle between meals, and even while you sleep. Casein is derived from cow’s milk and makes up 80% of milk protein. It contains essential amino acids, which are the building blocks of protein and considered essential since they cannot be produced by your body. It is slow-digesting and releases amino acids gradually, making it a great option for bedtime nutrition that provides a continuous boost of protein throughout the night, ideal for helping to support your muscle growth and maintenance while you sleep. Go for Elite Casein to support muscle recovery before you go to bed. This slow-digesting, slow-absorbing protein releases amino acids gradually, giving your muscles what they need, even while you rest. You pushed yourself beyond the limits. Don’t lose those gains. Elite Casein Rich Chocolate goes on duty when you go off-duty.