Explain that its a synthetic peptide for laboratory research. Have your documentation, like the Certificate of Analysis and product printout, ready to show them
A persistent metallic taste should not be ignored
PLoS Pathog 2016, 12, e1005295 10.1371/journal.ppat.1005295
Thus, alterations in the Kyn pathway, with an augmentation of neurotoxic components like QA at the expense of neuroprotective derivates like KYNA, seem to have a central role in neuroinflammation in many neuropsychiatric disorders [223]
Lyophilized GHK-Cu is typically kept refrigerated and protected from light for short-term handling, and frozen (-20C) for longer-term storage
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