ghk-cu naturally occurring in human plasma levels decline with age vs AHK-Cu: Which Copper Peptide Is More Effective? The Strange Science of the
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Oncogene 25: 409418 [DOI] [PubMed] [Google Scholar] Nakamura T., Nishizawa T., Hagiya M., Seki T., Shimonishi M., Sugimura A., et al

For maximum shelf life, store GHK-Cu at 20C or colder, wrapped in aluminum foil, in a freezer thats opened infrequently.

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This nose-to-brain delivery is an area of active research for various therapeutic applications

Doctors prescribe it for anemia, skin diseases, and a number of mental disorders

Evidence-based criteria for pain of interstitial cystitis/painful bladder syndrome in women