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This vitamin is also involved in controlling blood sugar levels, keeping skin healthy and maintaining the proper functioning of the nervous and digestive systems

Experimental Gerontology vol

Research also examined its effects on metalloproteinase activity and extracellular matrix turnover in skin tissue models

As one of the most studied copper peptides in the scientific literature, GHK-Cu skin research has been particularly prolific, with numerous published studies exploring its role in extracellular matrix biology, collagen synthesis, and tissue remodeling processes

However, further studies are still needed to optimize its clinical application, including dosage form improvement, combination therapy strategies and long-term safety assessment