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It drives normal processes stomach acid, immune responses, alertness but it needs to be broken down promptly

The peptide's resistance to dipeptidyl peptidase-IV (DPP-IV) proteolysis is achieved through substitution of -methyl-Phe at position 2, which blocks the cleavage of the Tyr1Ala2 bond that normally inactivates native incretins within minutes of secretion

GHK-Cu is a copper-associated tripeptide complex

The FDA-approved prescribing information does not list protein supplements as incompatible with the medication, and no pharmacokinetic interactions between tirzepatide and dietary protein have been documented