BPC 157 penis growth: What the limited evidence actually shows BPC 157 erectile dysfunction: What the evidence and user experiences actually show Buy BPC 157 250mcg (60 Capsules) For Research Purposes 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 has already hit the mainstream, but should it hit your bloodstream?