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Human safety is not established because large human trials have not been completed
Consequently, chemists should treat GHK-Cu like a delicate protein rather than a robust small molecule
10.1016/j.chom.2023.01.001 489 XiongR.-G.LiJ.ChengJ.ZhouD.-D.WuS.-X.HuangS.-Y.et al
It also stimulates the production of cytokines which help to regulate the immune response
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