BPC 157 Rapid Fullscript 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 spent 4 months reporting on the peptide BPC 157 and its unlikely journey from a research lab in post communist Croatia to today's MAHA movement. Ask me anything. : r IAmA Have you used peptides? What are your thoughts? Let me know below Peptides are short chains of amino acids that play vital roles in cellular signaling and repair throughout the body.