What Is BPC 157? A Medical Clinic's Guide to the Body Protective Peptide, Its Uses, and What It Actually Does Perfect B New Hope for Knee Pain Relief? BPC 157 is a peptide that's been getting a ton of buzz for healing knees, reducing inflammation, and easing chronic pain. But here's the thing Can you inject peptides into the knee? What is BPC 157 and How Can It Benefit You? Le Jolie Med Spa