Sci-Mx Pro 2 Go Protein Bar is a high quality protein bar with quality ingredients for the most benefits. They contains 21g of milk protein which provides a natural blend of whey & and casein for a sustained release of amino acids. Protein is essential for repairing & maintaining muscle as protein helps deliver essential amino acids. These help your muscles by promoting protein synthesis. It contains only 253 calories per bar, perfect to fit into a calorie controlled diet as a quick fix on the go. The bars are not only nutritionally impressive, they are also delicious. The caramel crisp contains a triple chocolate layer, just like a regular tasty chocolate bar without the high sugar content.