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Natural GHK-Cu levels decline with age, which may mean older individuals experience more pronounced benefits from supplementation

Copper binding occurs through histidine imidazole nitrogen and N-terminal amino group, forming stable 1:1 complex

Schousboe A, Bak LK, Waagepetersen HS (2013) Astrocytic control of biosynthesis and turnover of the neurotransmitters glutamate and GABA

AHK-Cu is a copper-binding tripeptide studied for its role in cell signaling, extracellular matrix regulation, and tissue-repair pathways

Protective Barrier: Strengthens the skin's natural barrier function, making it more resilient against environmental aggressors

With consistent treatment and expert supervision, glutathione can help restore liver vitality, improve digestion, and contribute to long-term systemic health