The Definitive Peptide Research Reference Guide — Compound Review

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BPC-157 Research Overview

A comprehensive summary of the published BPC-157 research: mechanisms of action, key studies by application area, evidence quality ratings, and what the science actually supports.

What Is BPC-157?

BPC-157 (Body Protection Compound-157) is a synthetic pentadecapeptide — a chain of 15 amino acids — derived from a protein found in human gastric juice. First isolated by Croatian researcher Predrag Sikirić at the University of Zagreb in the 1990s.

Mechanisms of Action

BPC-157 upregulates GH receptor expression in tendon fibroblasts, amplifying the tissue's response to endogenous growth hormone. It also activates VEGFR-2 (promoting angiogenesis), EGR-1 (a transcription factor for tissue repair genes), and the NO-system (nitric oxide signaling).

Key Studies by Application Area

BPC-157 significantly accelerated Achilles tendon healing in rats — treated animals showed superior tendon strength, faster collagen organization, and earlier return to normal gait vs controls. Gastric ulcer healing, bone repair, and CNS neuroprotection studies are also well-documented.