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Typical urine screens detect metabolites from narcotics, stimulants, or alcohol, not complex amino-acid chains like peptides

GHK-Cu is a tripeptide-copper complex: Gly-His-Lys coordinated to copper(II) ion

Studies show BPC-157 can reverse the congestive heart failure this drug causes in animal models, suggesting protective effects on cardiac tissue beyond just blood vessel function

A new strategy was developed to design pH-responsive hydrogel dressing H-A/SA/P-ZIF (HASPZ), which showed antibacterial and wound healing properties but also has dual pH responsiveness to avoid overuse of medication while effectively treating second-degree burns [155]