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doi:10.1016/0049-3848(95)00081-2 Zhang X, Wu J, Zhang B

doi:10.1002/jor.21107 Evidence-Base Disclosure The published evidence base for BPC-157 consists predominantly of preclinical research animal models (often rats or mice) and in vitro cell-culture experiments

Because it's applied to the skin rather than swallowed, this article doesn't classify it as a dietary supplement - that's a determination best confirmed directly with the brand

Vitamin C injections on the other hand, deliver the dosage directly into your bloodstream
Alpha-lipoic acid (ALA) supplementation effect on glycemic and inflammatory biomarkers: A Systematic Review and meta-analysis
The proposed mechanism centers on modulation of the nitric oxide system: BPC-157 counteracts L-NAME-induced eNOS blockade in rat models and supports vascular sprouting through VEGFR2 internalization (Hsieh et al., J Mol Med , 2017)
