PRP 101 Blood is composed of four main components: plasma, red blood cells, white blood cells, and platelets. Unsurprisingly, platelet-rich plasma has a much higher concentration of platelets (about 5-10 times greater) than blood. PRP is beneficial for regenerative purposes because platelets contain natural sources of growth factors, as well as proteins and cytokines that stimulate the healing of bone and soft tissue. As such, PRP promotes cell repair, which in turn can lead to decreased inflammation and reduction in pain. A PRP procedure consists of four stages: First, the …