PDF) Gastric pentadecapeptide BPC 157 as an effective therapy for muscle crush injury in the rat There's a common misconception about peptide injections that targeting them directly at pain sites is more effective than abdominal injection. However, when you inject peptides like BPC 157 Frontiers Pharmacokinetics, distribution, metabolism, and excretion of body protective compound 157, a potential drug for treating various wounds, in rats and dogs BPC 157 Explained: Benefits, Safety & Oral vs Injectable Options