Protein is one of the body’s main building blocks for muscle, bone, skin, and other tissues. Used often by athletes, protein shakes come in many combinations of protein, carbohydrates, and fats. EnerSource Weight Loss Shake has been proven to replace meals as well as add the edge to building muscle. It’s unique mixture of 50(carbohydrates) – 25(protein) – 25(fat). EnerSource’s weight loss shake is a hunger control weight loss protein shake designed to help reduce appetite and promote calorie control.