The Stable Gastric Pentadecapeptide BPC 157 Pleiotropic Beneficial Activity and Its Possible Relations with Neurotransmitter Activity BPC 157: Miracle Healing Peptide or Hidden Danger? Internet famous peptides like BPC 157 and TB 500 might be the future, but right now they're a shot in the dark. Peptides like BPC 157 are everywhere on social media right now. They are most commonly promoted for injury and tendon healing and are often paired with other peptides such as TB 500. Frontiers Pharmacokinetics, distribution, metabolism, and excretion of body protective compound 157, a potential drug for treating various wounds, in rats and dogs