For research use only. All peptides referenced are research chemicals not approved by the FDA for human use. Not for human consumption.
GHK-Cu in Scientific Research
GHK-Cu (copper peptide GHK, or glycyl-L-histidyl-L-lysine copper complex) is a naturally occurring copper-binding tripeptide found in human plasma, saliva, and urine. It was first isolated in 1973 by Loren Pickart, who observed that it had a significant effect on liver tissue regeneration in research models. GHK-Cu has since become one of the most studied peptides in dermatological and wound biology research due to its high affinity for copper ions and its role in modulating several tissue remodeling pathways.
Research Areas & Mechanisms
Laboratory research involving GHK-Cu has explored several biological pathways:
- Collagen synthesis modulation: Cell culture studies have shown GHK-Cu stimulates fibroblast production of collagen types I, II, and III, as well as elastin and proteoglycans — all relevant to extracellular matrix research.
- Antioxidant enzyme induction: Research has examined GHK-Cu’s ability to upregulate superoxide dismutase and other antioxidant enzymes in cultured cells.
- Gene expression research: Genomic studies have identified GHK-Cu as a modulator of over 4,000 human genes in microarray studies, including genes involved in tissue repair, anti-inflammatory signaling, and nervous system maintenance.
- Wound biology: Animal models have examined GHK-Cu in skin wound healing contexts, with observations on re-epithelialization rates and angiogenic signaling.
- Hair follicle research: Studies have examined GHK-Cu’s effects on dermal papilla cells and follicular stem cell models.
GHK-Cu vs. BPC-157 in Research Context
While both GHK-Cu and BPC-157 appear in tissue repair research, their mechanisms and primary study contexts differ substantially. BPC-157 research has focused on systemic tissue signaling via nitric oxide and FAK-paxillin pathways, with extensive rodent musculoskeletal and GI models. GHK-Cu research centers on copper-dependent enzyme activity, collagen biology, and gene expression modulation, with a stronger body of in vitro literature. Researchers studying skin or extracellular matrix biology often prioritize GHK-Cu, while those studying tendon or gut repair models more frequently use BPC-157.
Laboratory Handling
GHK-Cu is a copper peptide complex and is generally more sensitive to oxidation than non-metalated peptides. Store lyophilized stock at -20°C in a sealed, desiccated container. Reconstitute with bacteriostatic water immediately before use. Reconstituted GHK-Cu solution may appear blue due to the copper complex — this is normal. Use reconstituted solution within 14–21 days and avoid prolonged light exposure. Do not mix with compounds that may chelate copper.
Source GHK-Cu from Iron Labs
Iron Labs GHK-Cu is supplied as lyophilized powder with third-party COA documentation including HPLC purity and mass spec identity confirmation. Available in multiple quantities to support both small-scale and extended research protocols.
Source GHK-Cu for your research → Iron Labs Research Catalog
Regulatory Notice
GHK-Cu is not FDA-approved for any human or veterinary therapeutic application. Iron Labs sells GHK-Cu exclusively as a research chemical. No health or cosmetic claims are made or implied. For research use only.