"BPC 157 and the gut-brain axis: Implications for neuroprotection and mental health." Front Neurosci
[18] FDA identified limitations in characterization data, potential immunogenicity concerns for injectable use, limited information for proposed routes, lack of established effectiveness for obesity, and insufficient long-term safety information
But a 2022 review concluded that there is not enough evidence to support this assumption
The company publishes Certificates of Analysis for its BPC-157 products, which it states are tested three times by independent third-party labs for identity, purity, potency, and contaminants including heavy metals, microbial pathogens, residual solvents, and LPS (lipopolysaccharide) contamination