Does the BPC 157 Peptide Work? Regenexx at New Regeneration Orthopedics BPC 157 has already hit the mainstream, but should it hit your bloodstream? Buy BPC 157 Peptide 99% Pure Peptide Works BPC 157 has already hit the mainstream, but should it hit your bloodstream? Peptides like BPC 157 are everywhere on social media right now. They are most commonly promoted for injury and tendon healing and are often paired with other peptides such as TB 500. BPC 157: Miracle Healing Peptide or Hidden Danger?