ghk-cu human clinical trial wound healing randomized Food-Derived Tripeptide–Copper Self-Healing Hydrogel for Infected Tripeptides Ghk and GhkCu-modified silver
Description
GHK-Cu is the copper peptide your body already makes, just less of it every year after age 30

Both are often mentioned together
Researchers who opt to administer GHK-Cu via injection should note that most side effects observed, including nausea and redness/pain at injection site, more commonly result from the injections than the peptide itself

"LGD4033 and MK677 use impacts body composition, circulating biomarkers, and skeletal muscle androgenic hormone and receptor content: A case report." Experimental physiology 107.12 (2022): 1467-1476
