Treating Your Shoulder Pain With Cortisone Injections: Dr. Matthew Pifer: Orthopedic Shoulder Surgeon Revolutionizing Joint Health: BPC 157 and the Promise of Relief at Rejuven Joint Care Frozen Shoulder? Try This for Instant Relief! If youve been struggling with a frozen shoulder, this simple move can give you some quick reliefno fancy equipment required, just a chair! Heres how I've been using Pentadecapeptide (PDA) and the results have been unreal. this peptide is almost identical to BPC 157 with the exception of an additional marginate salt, which has contributed to Blog Spectrum Healthcare