Protein – Uses, Benefits, Sources and Dosage Protein play crucial role for the maintenance of overall good health of body. These are among the most abundant type of chemicals in human body. Protein are the major components in our body. Most abundant Protein are found in skin, hair, muscles and various other organs. They help to strengthen these structures. They perform the various movements in body like contraction of muscles and also movements of food in the digestive system. Protein