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The review situates Dihexa within the renin-angiotensin systems central nervous system arm, summarizes the HGF/c-Met activation hypothesis, and surveys behavioral pharmacology in rodent cognitive models

Potential side effects include headaches, sweating, hypertension, insomnia, and agitation

The therapeutic peptides used in surgical recovery are synthetic versions of molecules the body already makes, manufactured under cGMP pharmaceutical conditions, purified to a single active species, and dosed precisely

A simplified snapshot as of mid-2026: FDA-approved (legal by prescription): semaglutide and tirzepatide (GLP-1 medications for weight and metabolic health) and tesamorelin