Reflex Nutrition Micellar Casein provides an effective slow release protein shake, delivering high quality protein to your hard working muscles while you rest. Protein is key to the growth and maintenance of healthy muscle tissue. Slow-release Casein proteins drip feeds the body of Amino Acids, delivering an immediate effect, as well as providing sustained protein absorption. Casein Protein can take up to six to eight hours to completely digest and be utilised, making this an ideal protein shake to help deliver your muscles enough Protein for extended periods of time. This is why it is good to take before bedtime. While you sleep, your body goes into a catabolic state. This means your muscles are being broken down for energy. A slow release casein protein can help prevent that. If you take it with milk, it will slow the digestion down a lot more. Reflex Nutrition Micellar Casein powder delivers a key supply of effective nutrients, while the muscles are at their most receptive. Delivering 25g of protein and 2.6g carbohydrates.