Prolotherapy Stem Cell's & Platelet Rich Plasma Years of experience and training in the field of regenerative injections are why you might choose these physicians as your doctors for these treatments. Platelet Rich Plasma Therapy or PRP is Prolotherapy using your own blood. Your blood is placed into a machine that looks like a record player. The platelet rich plasma is spun down and this solution is then injected into area's that are damaged or arthritic. Stem Cells are taken from either bone marrow or adipose tissue and used with above PRP to create an even more powerful healing cellular injection.