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GHK-Cu is thought to work by stimulating the synthesis of enzymes called metalloproteinases
It interacts with multiple systems in the body including the nitric oxide (NO) pathway, growth hormone receptors, and angiogenic regulators like VEGF (vascular endothelial growth factor) to promote tissue repair, reduce oxidative stress, and modulate the immune response
The peptide stimulates the bodys natural repair mechanisms by encouraging the formation of new bone tissue and promoting the regrowth of blood vessels in the affected area
However, these are all speculative applications without any human trial evidence as of 2026
Reported preclinical effects on sleep architecture and stress endpoints are not of a magnitude that would predict robust clinical signal even if a clean delivery system were available
