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Glutamine supplementation is a strategy used in situations of intense catabolism, in which there is a decrease in the synthesis and release of glutamine by the skeletal muscle and increased uptake by other organs (kidneys and liver), such as in prolonged and intense exercises, as well as in overtraining syndrome [125, 126]
This stimulates the skins natural healing process, boosting collagen and elastin production
How It Works GHK-Cu creams and serums penetrate the epidermal and dermal layers, where they directly influence fibroblast activity, collagen production, and cellular repair mechanisms in the skin
This suggests that excessive GHK-Cu (or other copper peptides) might theoretically push skin MMP-1 concentrations beyond levels supporting healthy collagen production into ranges associated with collagen fragmentation and breakdown seen in older skin with naturally elevated MMP-1
Presented for research literature review only Zhang XN et al
Several mechanisms are possible, including pro-oxidant roles of certain enzymes in specific biochemical contexts (Johnston et al
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