BPC 157 Peptide Therapy Regenerative Medicine Dr. Henry Sobo, MD The Hidden Risks of BPC157: What Patients Need to Know About Contamination and Safety Regenexx at New Regeneration Orthopedics Peptide Series #2 BPC 157 Your body already makes this peptide. BPC 157 is naturally found in your gastric juice it's part of how your gut protects itself. Scientists isolated it, 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,