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ghk-cu clinical trial wound healing randomized The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline GHK-Cu Dosage: Protocols & Charts
Description
Several experiments established that Copper Peptides work at the cellular level to stimulate collagen and elastin and increase the synthesis of water-holding proteins

Salgado RM, Marques-Silva MH, Gonalves E, Mathias AC, Aguiar JG, Wolff P

Afterall, the human body maintains itself through constant repair and rebuilding

I think they have some benefit, but youre not going to see massive results and you definitely arent going to reverse 20 years of ageing with some light bulbs
