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 for Erectile Dysfunction: What the Evidence Shows and Practical Considerations BPC 157 and Erectile Dysfunction: What the Evidence Shows and Practical Considerations BPC 157: Benefits, Dosage, Side Effects & Results Xandro Lab