Because research-grade material is of unverified identity and purity, identity confirmation (for example by mass spectrometry and HPLC) is the kind of characterization a rigorous research setting would require before drawing any conclusion

Sources: Sikiric et al., Curr Pharm Des 2018 | Chang et al., J Appl Physiol 2011 Security Profile & Chemical Identity Molecular specifications and preclinical safety data BPC-157 Chemical Identity Synthetic pentadecapeptide derived from human gastric juice BPC-157 Tolerance & Status Safety data from preclinical studies (rat, mouse, rabbit, dog) Published Preclinical Data 6 key studies published in J Orthop Res, J Appl Physiol, Curr Pharm Des, Growth Horm IGF Res and Am J Sports Med Biomechanics Significant improvement in tendon strength, stiffness and elasticity modulus at 14 days Achilles tendon repair (rat) Migration Dose-dependent acceleration of tendon fibroblast migration Tendon Repair Mechanisms Cytoprotection Novel cytoprotective mediator vascular recruitment and healing of the gastrointestinal tract Documented Gastroprotective Effects Important Notice Search Only Not intended for human consumption
Bruckdorfer, T., Marder, O
These are given either in the muscle (intramuscularly) or under the skin (subcutaneously)
Guidelines for the follow-up of patients undergoing bariatric surgery
Bacterial overgrowth of the small intestine may lead to low serum B12 concentrations and vitamin B12 deficiency because the bacteria utilize vitamin B12 for their own metabolism so B12 cannot be absorbed by the body