Stable Gastric Pentadecapeptide BPC 157 and Striated, Smooth, and Heart Muscle BPC 157 For Knee Pain: Early Reported Outcomes, A report on intra articular BPC 157 for knee pain described high rates of improvement: ~92% with BPC 157 alone, ~75% when combined with thymosin beta 4, 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 Revolutionizing Recovery: How Dr. Lundquist is Using BPC 157, TB 500, and Regenerative Therapies to Accelerate Healing Active Life Pain Center Frontiers Pharmacokinetics, distribution, metabolism, and excretion of body protective compound 157, a potential drug for treating various wounds, in rats and dogs