Journal of Sleep Research , 15 (3), 317-320
Bioactive peptides short amino acid sequences capable of modulating cellular behaviour have been shown in numerous in vitro studies to influence fibroblast activity, keratinocyte migration, and the synthesis of key extracellular matrix components including collagen types I and III, elastin, and glycosaminoglycans
Endocrinology and Metabolism Clinics , 49(2), 233247
Safety and Toxicology in Preclinical Studies Research on the safety and toxicology of BPC-157 and GHK-Cu in preclinical studies focuses on evaluating their safety profiles
Same warnings apply to both Both carry warnings around thyroid C-cell tumors (seen in animal studies), pancreatitis, and gallbladder issues, based on their shared hormone-receptor mechanism
Whether one is better can depend on the patients personal records, genetics, and overarching goals