The Role of Peptides in Bone Healing and Regeneration (CGRP, OGP, BPC 157) UnderstandOrtho Ask the Doctor: BPC 157 to heal a rotator cuff tear Fred Let the bio hacking begin. Just got my first injection of BPC 157 and TB 500 peptides in my left shoulder. Having already had a blown up right shoulder and surgery (which 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 BPC 157 Active Family Healthcare