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Active Ingredient: GHK-Cu (Glycyl-L-Histidyl-L-Lysine Copper)

However, the pricing landscape shifted dramatically in late 2025, when the White House announced negotiated prices through TrumpRx that bring Wegovy to $350/month and Trulicity to $389/month for eligible patients

PMID: 11480532, DOI: 10.1097/00006199-200107000-00007

At the molecular level, 5-amino-1MQ functions as a competitive inhibitor of NNMT, demonstrating remarkable potency with an IC of 1.2 0.1 M under standard assay conditions (50 M SAM, 100 M nicotinic acid). This represents a dramatic 10-fold improvement over the parent compound 1-methylquinolinium, achieved through strategic amino group substitution that enhances binding affinity to the NNMT active site. The compound's mechanism centers on preventing the methylation of nicotinamide to 1-methylnicotinamide (1-MNA), thereby preserving nicotinamide for recycling back to NAD+ through the salvage pathway. This intervention effectively blocks what researchers have termed the "NNMT metabolic drain" a process that simultaneously depletes NAD+ precursors and consumes cellular methylation capacity