does ghk cu hurt when injected Why is the injection site painful after administering GHK-Cu (Glycyl-L-Histidyl-L-Lysine-Copper) 2mg mixed with normal saline? GHK-Cu Copper Peptide Supplement, Anti-Aging
Description
Am J M Sc 198:785803 Ellinwood EH Jr, Kilbey MM (1980) Fundamental mechanisms underlying altered behavior following chronic administration of psychomotor stimulants

Localization cutoff was set to 0.75 for both and same variable PTMs as listed above
J Biol Chem 276:4395843969

It's less invasive, has a lower risk profile, and is fully supported by the bulk of the preclinical data demonstrating the peptide's systemic nature

This is particularly appealing to athletes looking to optimize recovery time and maintain peak physical performance

Summary paraphrased from the peer-reviewed preclinical literature