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Copper peptides, including both GHK-Cu and AHK-Cu, have a well-established safety profile and are generally well-tolerated by sensitive skin types

Global burden of bacterial antimicrobial resistance 19902021: a systematic analysis with forecasts to 2050

Cellular Ageing and NAD Pathways As part of the natural ageing process, NAD metabolism and mitochondrial function change across tissues (R)

Cominacini L, Pasini AF, Garbin U, Davoli A, Tosetti ML, Campagnola M, Rigoni A, Pastorino AM, Lo Cascio V, Sawamura T

For Research Use Only, not for human or veterinary use

They break it back down into its three component amino acids (cysteine, glutamate, and glycine) before it can ever reach your liver or your general circulation