Optimum Nutrition Gold Standard 100% Casein in Chocolate Supreme Flavour is designed as a slow-digesting protein powder. You can consume it in between meals or as a snack. This is best if taken before sleeping and designed for fitness enthusiasts and bodybuilders. The key features of this product are that it has 24g Micellar Casein Protein Per Serving the chocolatey flavour is rich and gives an enjoyable experience to your taste buds and is low on carbs and fats. Mix one scoop in water, milk, or your favorite beverage and drink it at night for long-lasting protein support.