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 How necessary is the local injection site when adminstering BPC157 , In the video, I break down exactly how to use it and why both local and systemic injection can have benefits, Watch carefully The Complete Peptide Guide: Reconstitution, Injection & Storage Extension Health