Selenium: This mineral is a cofactor for the enzyme glutathione peroxidase, which helps glutathione do its job
10.1016/j.mvr.2015.04.010 61 RosenbergG
Behav Brain Res 153(1):1520 Zhu L, Xue Y, Feng J, Wang Y, Lu Y, Chen X (2023) Tetrahydrocurcumin as a stable and highly active curcumin derivative: a review of synthesis, bioconversion, detection and application
As a research compound, GHK-Cu is investigated in contexts ranging from tissue biology to skin model research and gene regulation studies
While nutritional supplements can be taken orally, they are unlikely to be as effective as intravenous drip, which sends the nutrients directly to your bloodstream, bypassing your digestive tract
And theres basically no long-term safety data on those combinations, partly because most popular peptides have never gone through large, controlled human trials, and are sold as research chemicals outside normal drug-approval channels