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When ascorbic acid at concentrations above roughly 5% is combined with GHK-Cu in a formulation at pH below approximately 4.5, the reducing environment progressively converts Cu(II) to Cu(I), disrupting the chelation

With a pH of 1.5 or less, this acidic fire destroys the peptide bonds in reduced glutathione, disintegrating the molecule before it ever hits the intestines

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Every batch ships with an independent, third-party Certificate of Analysis reporting HPLC purity (typically 99% per batch COA) and identity confirmation

doi: 10.1016/j.biopha.2023.114252 118 NaamanSCBakrisGL

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