ghk-cu nasal spray benefits Intranasal GHK peptide enhances resilience to cognitive decline in aging mice Compounded GHK-Cu Nasal Spray —

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It was first isolated from human plasma, where it naturally occurs at concentrations of around 200 ng/mL at age 20, declining to approximately 80 ng/mL by age 60

The previously mentioned study on rats with open ischemic wounds also reported an apparent decrease in wound area of the GHK-Cu group that was greater compared to the control group on days 3 to 5, 6 to 9, and 11 to 13

At nanomolar concentrations (1 to 10 nM), it stimulates collagen, glycosaminoglycan, and proteoglycan synthesis in dermal fibroblasts

References Malinin NL, Boldin MP, Kovalenko AV, Wallach D