BPC 157 Peptide Hormone Replacement Therapy Los Angeles BPC 157 Peptide Therapy New Results Medical Weight Loss How to relieve shoulder pain? Steroid injections are often used to treat shoulder pain caused by inflammation like bursitis, tendonitis, or rotator cuff irritation. The medication is injected 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 Ask the Doctor: BPC 157 to heal a rotator cuff tear