BPC 157 has already hit the mainstream, but should it hit your bloodstream? 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 by S.T.A. Formulations Alpha Nutrition Labs Can peptide injections help people recover from injuries? Here's what you need to know