Patients typically report feeling more energized and mentally clear within a few days to a week after treatment
UK suppliers, including Body Pharm, sell GHK-Cu under standard "for laboratory research only, not for human use" disclaimers to remain outside the medicinal products regime [2][5]
Baillieres Clin Obstet Gynaecol
Amino Acids 23:453458 Reid M, Badaloo A, Forrester T, Morlese JF, Frazer M, Heird WC, Jahoor F (2000) In vivo rates of erythrocyte glutathione synthesis in children with severe protein-energy malnutrition
Goikoetxea-Usandizaga, N
(5) More specifically, researchers comment that when the peptide was selected for further pharmacokinetic evaluation, where it was found to be present in plasma beyond 72 h