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: Miracle Healing Peptide or Hidden Danger? BPC 157 Pure Oral Spray, .85 Oz (120 sprays) Marty Ross MD Supplements Oral Peptides: FAQs on Bioavailability, Safety, and Clinical Use AJMC The Peptide Craze Ground Truths