GHK-Cu (Copper Tripeptide-1) has been studied since the 1970s
Neuroscientist 28(1):2040 Chia K, Klingseisen A, Sieger D, Priller J (2022) Zebrafish as a model organism for neurodegenerative disease
The documented handling is to take it soon if several days remain before the next scheduled dose, or skip it otherwise never double up, because two doses close together stacks the incretin effect and reliably provokes GI symptoms
No drug-related serious adverse events occurred, and withdrawal rates due to adverse effects were comparable to placebo groups
However, its role as a long-acting amylin analogue demonstrates distinct actions at AMY 1 R and AMY 3 R, unlike sCT, which may cause receptor downregulation and counteradaptation
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