Rotein Powders Protein is an important nutrition for muscle development and repair. Protein powders provide a simple and effective method of increasing your intake of protein. Whey protein, which comes by milk is a favored option due to its full amino acid profile and quick absorption. Proteins made from plants such as pea, soy as well as hemp protein, are appropriate for those on an all-vegetarian or vegan diet. Protein powders are a great option in shakes after workouts or mixed in recipes for an easy and quick protein energy boost.