Proteins are organic substances created by amino acids. Among all biomolecules, proteins play a fundamental role int he body as they are primordial for growth thanks to their nitrogen content, for synthesis and maintenance of various tissues such as hemoglobin, gastric juices, vitamins, hormones and enzymes. Also, proteins help to transport oxygen and carbon dioxide in the blood. They are used to gain muscle mass and to improve performance.
Protein shakes contain high percentages of protein and high concentrations of essential amino acids that are quickly absorbed by the body.
Protein powder is the easiest way of supplying your body with high quality proteins in a concentrated way.