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This isn't a 23-year-old's physique anymore
GHK is the bare tripeptide (glycyl-L-histidyl-L-lysine), while GHK-Cu is the same tripeptide bound to a copper(II) ion
7 Unlike food categories that can be reformulated around protein or fiber, alcohols core product is inherently caloric, leaving companies with few levers beyond low- and no-alcohol extensions
As a modified C-terminal fragment of human growth hormone (hGH fragment 177-191), this peptide is highly sought after in metabolic and lipolytic research models
doi: 10.1038/nrm3311 37
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