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Injectable GHK-Cu is less documented in the scientific literature and requires more clinical studies to determine its safety and effectiveness

It may influence sleep-related signaling, circadian rhythms, and stress pathways in experimental models, though findings are limited to preclinical and in vitro studies

A single injection (0.9% NaCl 5 ml/kg b.w

They are widely used in sports nutrition due to their important role in supporting muscle recovery and exercise performance

doi:10.1016/j.freeradbiomed.2013.05.001 Weschawalit S, Thongthip S, Phutrakool P, Asawanonda P

Step 7: Dispose of the syringe in a sharps container