doi:10.4137/BMI.S11448 108. Saha, S., Chatterjee, M., Dutta, N., Sinha, S., & Mukhopadhyay, K
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Phosphorylation of eIF2B prevents it from performing its GTPase activating (GAP) function in association with eIF2 (go to the Protein Synthesis (Translation): Processes and Regulation page for more details) and as a consequence results in reduced translational initiation
GHK-Cu's role as a carrier peptide means it's less about direct messaging and more about providing a fundamental building block (copper) that the body then uses for its regenerative processes
That means that theres no maximum daily dose thats known to cause adverse effects to the general population