glutathione molecular structure Structural Formula of Stock Vector Glutathione molecule, illustration Schematic representation of the structure

$69.00 20 in stock GHK-Cu (Copper peptide GHK-Cu, glycyl-L-histidyl-L-lysine copper complex) is a naturally occurring tripeptide found in human plasma, saliva, and urine that binds copper(II) with high affinity

TB-500 is a synthetic version of a fragment of Thymosin Beta-4

By the Premium UK Peptides Research Team Updated July 2026 8 min read GHK-Cu is a naturally occurring copper-binding tripeptide glycine, histidine, and lysine, bound to a copper (II) ion that the body already produces and circulates in plasma, saliva, and urine

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Kukowska et al

He assumes the peptide is the cause and considers stopping