how does topical ghk cu work GHK-Cu Rx Protocol Cu copper peptide serum What Is GHK-Cu? Benefits, Uses,
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But in reality, thats often not the case

A recent study also shows that blocking IGF1R-mediated signaling reduces cell proliferation and increases cells sensitivity to the destructive effects of ionizing radiation mediated by down-regulation of BRCA2, a mediator of HR, suggesting that IGF1R is a target for enhancing tumor sensitivity to radiotherapy (Venkatachalam et al., 2017)

10.1055/s-0030-1254066 9 DeshmukhP.UnniS.KrishnappaG.PadmanabhanB

No prescription formulations of copper peptide GHK-Cu have received FDA approval for any medical indication, and its use is off-label or investigational in clinical contexts

Heart rate increase: about 5-10 bpm above baseline, peaking near week 24, then declining