BPC 157 500 mcg Oral Capsules BPC 157 Erectile Dysfunction Study: What the Current Research Actually Shows BPC 157 and penis growth: what the evidence and real world experience actually show 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 is one of the most unique peptides naturally found in the gut and effective both orally and by injection., Oral supports gut health, while the injectable version helps with healing and