BPC 157 Supplement Gut, Joint & Muscle Recovery Support Healthletic BPC 157 for Erectile Dysfunction: What the Evidence Actually Shows BPC 157 for erectile dysfunction Most peptides are broken down in the stomach and not absorbed when taken orally, which is why injectable forms are often used. BPC 157 is a unique exception. Because it originates from the gut, its BPC 157 Penis Growth: What the Evidence and Real World Use Actually Show