GHK
Also known as: Glycyl-L-Histidyl-L-Lysine
GHK is the parent tripeptide Gly-His-Lys, originally isolated from human plasma by Loren Pickart (1973) as an activity that caused aged hepatocytes to synthesize proteins like younger tissue. It is DISTINCT from GHK-Cu, the 1:1 copper(II) complex tracked as a separate entry — but GHK binds copper readily in vivo, so in physiological environments the bare peptide rapidly associates with available Cu(II). Not FDA-approved for any indication; used in cosmetic and research contexts only.
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No vendors carrying this peptide are indexed yet.
No COAs on file for GHK
No third-party tests indexed yet. Phase 2 will surface more vendor evidence as the dataset grows.