Optimum Nutrition Gold Standard 100% Micellar Casein Protein Powder is designed for nighttime and between meals muscle recovery. It provides 24 grams of slow-digesting micellar casein protein per serving, which helps keep you full and supports overnight muscle recovery. The product also contains nearly 5 grams of naturally occurring BCAAs and glutamine per scoop. This protein powder is ideal for those looking to support muscle growth and repair while they sleep. The Chocolate Supreme flavor offers a delicious taste, making it a great addition to your daily nutrition routine.