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 Before and After: 1 Amazing Transformation Using BPC 157 and TB 500 peptides for shoulder tendonitis recovery BPC 157 and Healing Peptides: Hype or Hope? A Doctor's Comprehensive Perspective MSK Doctor Zaid Matti BPC 157 for athletes and injury treatment: Science, safety, and legal concerns 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