clinicaltrials.gov ghk-cu – Y&P Labs GHK-Cu – True Research Labs
Description
One without the other creates risk

Most patients can safely pause treatment for 12 weeks during vacation without significant metabolic setback, but consistency matters for sustained results

[DOI] [PubMed] [Google Scholar] 8.Sikiric P., Drmic D., Sever M., Klicek R., Blagaic A.B., Tvrdeic A., Kralj T., Kovac K.K., Vukojevic J., Siroglavic M., et al

It is hypothesized to be linked to excessive MMP-1 activity, which could temporarily break down existing collagen faster than new collagen is built
