If you do not feel hot, yet wake up sweating, this may indicate a more serious condition that requires medical attention again
Remove other peptides temporarily to isolate whether GHK-CU specifically causes your issues
doi: 10.1007/978-3-319-16510-3 508 SachithanandamV.ParthasarathyP.ElangovanS
References Spoelstra-de Man AME, Elbers PWG, Oudemans-Van Straaten HM (2018) Vitamin C: should we supplement

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[DOI] [PMC free article] [PubMed] [Google Scholar] 87.Cronin CN, Kirsch JF