ghk cu pills vs injection GHK-Cu NAD+: Which Longevity Peptide Should You Take or Stack? Injectable Peptides for Anti-Aging? A

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It also stimulates collagen and elastin synthesis through fibroblast activation, and its copper-chelating properties contribute to antioxidant defense by modulating copper-dependent superoxide dismutase activity

Haider Z, et al

Mechanism Diagram GHK-Cu vs Growth Peptides (Key Differences) GHK-Cu - Copper binding tripeptide - Acts locally in tissue - Modulates gene expression and ECM remodelling - Not endocrine - Does not elevate GH or IGF-1 GH Secretagogues (e.g., Ipamorelin, Hexarelin, MK-677) - Act via endocrine receptors - Stimulate systemic GH release - Increase IGF-1 - Primarily hormonal These compounds operate in completely different biological domains