ProStar - 100% Casein Protein Description from Ultimate Nutrition
Ultimate Nutrition Prostar 100% Casein Protein is a high protein shake derived from milk. It provides 24 grams of slow-digesting casein protein per serving. Ultimate Nutrition Prostar 100% Casein Protein is very high in glutamic acid, the precursor to glutamine, and has a beneficial BCAA level as well. Unlike other proteins, which are broken down rapidly into amino acids, Ultimate Nutrition Prostar 100% Casein Protein can provide your muscles with amino acids for up to 7 hours. This makes it the perfect protein to be taken before bed to help stimulate muscle growth as you sleep.