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In animal studies, antagonism of NMDA receptors in intermediate neurons of the forebrain and thalamus reduces GABAergic function
GHK-Cu and Hair Follicle Biology Research Hair follicle biology overlaps significantly with the mechanisms already documented for GHK-Cu in skin and connective tissue research
The only independent pharmacokinetic study (Xu 2022) reported plasma half-lives of approximately 15 minutes intravenous in rat and 5 minutes intravenous in beagle dog, with bioavailability of 14-19% in rats and 45-51% in dogs and no drug accumulation across 7 days of repeated dosing [7]
Adding NAC is also reasonable
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