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 is concentrated in multiple brain regions. Rats fitted with a Download Scientific Diagram What Is Dihexa? A Holistic Look at This Promising Brain Health Compound Evolution Integrative Medicine Derisk clinical trials with translational safety intelligence The Peptide Craze Ground Truths Hepatocyte Growth Factor MET Activator Rescues Working Memory Deficits after Repeated Mild Traumatic Brain Injury Katelyn A. Martino, Arush Nakhre, Renee M. Demarest, David M. Devilbiss, 2025