Board-certified sports medicine physician Dr. Jeffrey Peng ranks knee arthritis injections — PRP, hyaluronic acid, cortisone, and stem cells — based on the latest 2025 clinical evidence, safety data, and real-world outcomes.

How much do PRP injections and stem cell therapy cost in the United States? According to this paper published in early 2020, the mean cost of a PRP injection was $707 while the mean cost of a stem cell injection was $2728. I’m going to review the variables that affect cost of treatment, but if you’re just thinking about price, you may be looking at the wrong thing. The more important takeaway from this video is how to pick a provider who will deliver you the best outcomes re