Fitlabmv on Instagram: "Optimum Nutrition Gold Standard 100% Casein,A slowly digested Casein protein is a complete sustained release protein which includes all nine essential amino acids. It boosts lean muscle gains in workouts and preserves existing protein stores in the body, which is a must during Ramadan. By consuming about 20 to 30 grams of casein protein before sleeping, the body can reach a consistent state of muscle protein synthesis. It takes about seven hours on average for the body to