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BPC-157 (Body Protection Compound) is a pentadecapeptide derived from gastric juice, extensively studied for its effects on tissue repair, angiogenesis, and cytoprotection

So there's controversy there

Storage and Handling Store BPC-157 TB-500 10mg peptide in a cool, dry place at 28C Keep away from direct sunlight and heat Refrigerate after reconstitution Avoid repeated freeze and thaw cycles Use sterile technique when handling the lyophilised compound Original sealed vial recommended for long-term storage stability Why Choose Astra Labs BPC-157 TB-500 10mg Peptide

[2] Broader reviews position the peptide as producing an angiogenic, healing-promoting effect across gastrointestinal and extra-gastrointestinal tissues, tying its action to the nitric-oxide system and to standard angiogenic growth factors