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Gopal Grandhige, MD, FACS, Board-Certified Surgeon Last Reviewed: February 28, 2026 GHK-Cu is a copper peptide complex (glycyl-histidyl-lysine combined with copper) that naturally occurs in human saliva, plasma, and urine
Iron is key for making hemoglobin, which carries oxygen in the blood
Once reconstituted, solutions require immediate refrigeration between 2C to 8C to maintain molecular integrity over subsequent experimental phases
PMCID: PMC6832476
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