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For laboratory research use only. Not for human or veterinary use.
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Bench Grade Peptides

GHK-Cu

Copper tripeptide-1. Studied in extracellular-matrix and fibroblast research.

GHK-Cu is supplied by Bench Grade Peptides as a lyophilized powder in a sealed, lot-numbered vial, for laboratory research use only — not for human or veterinary use.

Its published Certificate of Analysis (lot 00011/0011, analyzed September 3, 2026) is from AV Analytics, a third-party laboratory, and reports 99.79% purity by HPLC; every published lot is listed on the product's COA page. Vials ship at ambient temperature in protective packaging from Florida (Bench Grade Peptides LLC is registered in Dover, Delaware), with storage notes on the lot's certificate.

GHK-Cu is a tripeptide — glycine, histidine, lysine — complexed with a copper(II) ion. First isolated from human plasma in the 1970s, it declines with age and has since accumulated one of the broadest research literatures of any short peptide: skin biology, wound models, hair-follicle studies, and large-scale gene-expression profiling.

The copper coordination is the interesting part chemically. GHK binds copper with high affinity, and much of its studied activity — collagen synthesis signaling, antioxidant enzyme support, matrix remodeling — appears tied to controlled copper delivery into cells. Gene-array work has reported GHK influencing expression across a strikingly large fraction of the genome.

Its small size (403 g/mol) makes it the lightest peptide in the catalog and gives it distinctive handling properties; the blue-violet color of the copper complex is also the most recognizable vial in the case. Supplied HPLC-verified for laboratory research.

Research use only. Everything on this page describes laboratory research. This compound is supplied strictly for in-vitro research use; it has not been evaluated or approved by the FDA and is not for human or veterinary use, and nothing here is a protocol or a recommendation.

Published research

  • The potential of GHK as an anti-aging peptide
    Pickart L, et al. Aging Pathobiol Ther. 2022.PubMed →
  • Regenerative and Protective Actions of the GHK-Cu Peptide in the Light of the New Gene Data
    Pickart L, et al. Int J Mol Sci. 2018.PubMed →

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