The day one product turned super. Myprotein has teamed up with MARVEL to make your workouts more heroic with this brand-new Malted Milkshake flavored Impact Whey Protein. With 22g of superpowered protein, this brand-new addition to the library of delicious flavors Impact Whey Protein has to offer, will have you smashing any goals like they were nothing. Protein: Why You Need It Protein is a fundamental macronutrient that is essential for the building of muscle tissue. With the human body consisting of 20% protein, this essential building block is present in every single cell. It plays a huge role in the growth of muscle mass and maintenance of bones, tirelessly working behind the scenes to ensure your body remains strong and resilient (1, 2).