See the Amount & Handling tab for a worked reconstitution example
The peptide interaction checker flags common conflicts
Bulk Catalog Specifications Lyophilized powder, 98% purity by HPLC-MS (copper chelation confirmed) Molecular weight: 744.3 g/mol (as copper complex) Available in research quantities (50 mg to 1000 mg) and bulk programs COA with HPLC and elemental analysis (copper content) per lot Also available as GHK basic (copper-free tripeptide) see catalog variant Cold-chain shipping and storage documentation Private-label and white-label bulk inquiry available Scientific Identifiers Research Mechanism Summary GHK-Cu is the copper(II) complex of the tripeptide Gly-His-Lys, an endogenous human plasma peptide that declines with age
That being said, the high doses of the nootropic measured at 0.5 mg/kg/day for intraperitoneal delivery and 2.0 mg/kg/day for oral delivery, and resulted in a performance that was indistinguishable from the control group and significantly better than the animals treated with scopolamine alone [2]
These changes likely contribute to easier sleep initiation, deeper delta-dominant sleep, and adaptogenic/stress-protective effects without strong sedation
Novo Nordisk filed a New Drug Application with the FDA in late December of the previous year for the weight management indication