Dihexa (also known as PNB 0408) is an experimental small molecule derived from angiotensin IV. It was engineered to cross the bloodbrain barrier and has shown synaptogenic effects in preclinical models. The often quoted Dihexa 2mg Dihexa Peptide Dallas Cognitive Enhancement & Brain Health What is dihexa, its mechanism of action via the HGF c Met pathway, and its safety and clinical use? DIHEXA POWDER (1 GRAM) UMBRELLA Labs