BPC 157 clears your system in under 2 hours. That's why it needs daily dosing. TB 500's plasma half life is only about 2 hours, but it enters your cells and binds to actin monomers Frontiers Pharmacokinetics, distribution, metabolism, and excretion of body protective compound 157, a potential drug for treating various wounds, in rats and dogs Burden of 375 diseases and injuries, risk attributable burden of 88 risk factors, and healthy life expectancy in 204 countries and territories, including 660 subnational locations, 19902023: a systematic analysis for the Global What Is BPC 157? A Medical Clinic's Guide to the Body Protective Peptide, Its Uses, and What It Actually Does Perfect B Therapeutic peptides and proteins: Status and developments in drug delivery ScienceDirect