How Long Does BPC 157 Take to Work? Timeline and Guide BPC 157 Dosage Guide: How Much Should You Take for Recovery and Injury Healing? Does BPC 157 Build Muscle? Effectiveness and Benefits BPC 157 Erectile Dysfunction Study: What the Current Research Actually Shows 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.