MYPROTEIN Impact Chocolate Smooth Whey Protein Powder provides your body with convenient, high-quality protein, which contributes to the growth and maintenance of muscle mass, making sure you’re getting the protein you need, each and every day. There is 21g of protein per serving, with just 1.9g of fat, 1g of carbs and only 103 calories per serving. This protein contains over 2g of leucine per serving, includes 3.6g of glutamine and all the essential amino acids, with 4.5g of BCAAs (Branched-Chain Amino Acids) for growth and repair of new muscle.