BPC 157 Peptide Therapy SALT. Hydration & Wellness FDA to weigh easing limits on unproven peptides favored by RFK Jr. and other MAHA figures Pentadecapeptide BPC 157 and the central nervous system_Chemicalbook 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