Pea Protein powder is a highly nutritious and functional protein made by extracting protein from yellow peas. Protein is an essential macronutrient necessary for tissue building and repair and contributes to the growth of muscle mass and maintenance of normal bones. Pea protein is a very high-quality protein that contains all the essential amino acids that cannot be synthesized by humans and is particularly high in leucine and lysine, essential amino acids involved in many fundamental metabolic processes in the body.