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[8] Across the broader published BPC-157 literature spanning gastrointestinal, musculoskeletal, dermal, vascular, and CNS research mortality in BPC-157-treated groups has generally been reported as comparable to vehicle-treated controls, and no consistent pattern of clinical deterioration has been established as a peptide-specific toxicity signal

Skin aging research has shown GHK-Cu stimulates collagen production by up to 70% in fibroblast cultures

[DOI] [PubMed] [Google Scholar] 45.Szabo S., Usadel K.H

Evidence includes animal models, cell-culture experiments, and a small number of human observational studies

We further assessed the functional impact of single alanine substitutions in BPC157

Nutrition Reviews, 75(6), 433-450