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But unlike approved peptides used in medicine, such as insulin and GLP-1 drugs like Ozempic, Health Canada tells CBC "unauthorized peptide products sold for wellness purposes have not been assessed for safety, quality, or effectiveness." And yet, CBC News found doctors promoting and prescribing a popular unauthorized peptide called Body Protection Compound-157 (BPC-157) that is touted to help accelerate muscle growth and tissue repair

As with any short peptide, confirmation of identity by mass spectrometry and verification of purity for each lot are essential, since an impure or under-dosed preparation will distort results

Pain 166 , 11791190 (2025)

Specifically, experimental data suggest it interacts with VEGFR2 via Src-caveolin-1-eNOS and PI3K-Akt-eNOS axes