Maximum benefits are usually achieved within 1-2 months with consistent injections
GHK-Cu shifts expression of 4,000+ genes toward younger phenotypes upregulating DNA repair, collagen synthesis, and antioxidant pathways while suppressing inflammatory mediators
Similarly, TB-500 has undergone extensive safety evaluation including human research trials showing safety at intravenous doses up to 1,260 mg equivalent, with no dose-limiting toxicities or serious adverse events attributable to the peptide in carefully controlled studies
Free Radic Biol Med 29:222230 Cadet J, Bellon S, Berger M, Bourdat AG, Douki T, Duarte V, Frelon S, Gasparutto D, Muller E, Ravanat JL, Sauvaigo S (2002) Recent aspects of oxidative DNA damage: guanine lesions, measurement and substrate specificity of DNA repair glycosylases