New Regenerative Therapies are Revolutionizing Knee OA Treatment NYDNRehab.com 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 The Hidden Risks of BPC157: What Patients Need to Know About Contamination and Safety Regenexx at New Regeneration Orthopedics So, What's the Big Deal with Gel Injections Anyway? Talking about my knee recovery and using the peptides BPC 157 and TB500 to help repair a torn meniscus in preparation for The Arnold in March. I had previously taken a PRP (Plasma Rich Platelet) shot