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The active factor turned out to be a tiny tripeptide: glycyl-L-histidyl-L-lysine, bound to a copper ion

Studies suggest that the copper(II) ion is essential for biological activity, as the apo-peptide (GHK without copper) shows reduced activity

Assessment of neuromuscular coordination was performed by evaluating the ability of the flies to ascend a vertical graduated plastic cylinder

Oxidative stress is a well-documented trigger for mast cell degranulation

Journal of Trace Elements in Medicine and Biology

Glutathiones antioxidant properties help reduce oxidative stress on scalp cells, potentially improving the environment where hair follicles grow