BPC-157 (Body Protection Compound 157) is one of the most widely studied peptides in preclinical research. This guide covers its structure, the research findings to date, and what researchers need to know when sourcing it for laboratory use.
What is BPC-157?
BPC-157 is a synthetic pentadecapeptide — a 15-amino-acid sequence — derived from a protective protein found in human gastric juice. The full name Body Protection Compound 157 reflects its origin in gastric research. It is not found in this form in nature; the sequence was identified and synthesised for research purposes.
Mechanism of action
BPC-157 has been studied across a range of preclinical models for its interactions with several biological pathways. Research has examined its influence on nitric oxide signalling, growth factor expression (including VEGF and EGF), and interactions with the dopaminergic and serotonergic systems. It has also been studied in models of gut mucosal integrity, where its protective effects on the gastrointestinal lining have been a consistent finding in animal research.
Research areas
The preclinical literature on BPC-157 spans several areas. Tissue repair and wound healing models are among the most studied, with research examining tendon, ligament, muscle and bone repair in rodent models. Gut health research has investigated its effects on intestinal permeability and inflammatory bowel models. Neurological research has explored interactions with dopamine and serotonin pathways. The breadth of the research literature makes it one of the more versatile compounds in peptide research.
Purity requirements for research
As with all research peptides, the validity of experimental results depends on the quality of the compound used. BPC-157 should be characterised by reversed-phase HPLC for purity, mass spectrometry for identity confirmation, and LAL endotoxin screening before use in sensitive assays. Each batch Pepreta supplies is tested to these standards, with a Certificate of Analysis available for the lot you receive.
Stacking with TB-500
BPC-157 and TB-500 (Thymosin β4) are frequently used together in recovery and tissue-repair research protocols. The two compounds act through different mechanisms — BPC-157 primarily via growth factor and nitric oxide pathways, TB-500 via actin-binding and anti-inflammatory signalling — making them complementary in research designs examining multi-pathway tissue repair. A pre-combined BPC-157 + TB-500 blend is also available.
Sourcing BPC-157 for research
Pepreta supplies BPC-157 as HPLC-verified lyophilised powder in 10mg vials, dispatched from Sydney and Melbourne with a batch Certificate of Analysis. For reconstitution guidance, see our peptide reconstitution guide. Supplied for laboratory and research use only — not for human or animal consumption.