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[PubMed: 40204768] [Free PMC Article] Carvas AO, Leuthardt A, Kulka P, et al
Key publications: 'Tripeptide in human serum which prolongs survival of normal liver cells' (1973), 'Growth-modulating plasma tripeptide may function by facilitating copper uptake into cells' (1980, Nature), 'The human tri-peptide GHK and tissue remodeling' (2008), 'GHK Peptide as a Natural Modulator of Multiple Cellular Pathways in Skin Regeneration' (2015), 'Regenerative and Protective Actions of the GHK-Cu Peptide' (2018)
In addition, improved sleep quality, commonly associated with GH elevation, may offer ancillary recovery benefits
However, the very short half-life means effects remain largely confined to tissues near the injection site before rapid degradation
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