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 Peptide for Cognition & Treating Neurodegeneration Dihexa in Clinical Trials: What We've Learned So Far Dihexa 1401708 83 5 BGC70883 Biosynth Dihexa Peptide: Complete Guide to Synaptogenesis (2026) Dihexa targets neurotrophic factors like BDNF and NGF, which drive brain repair. By activating the c MET receptor, it helps cells take in nutrients and rebuildespecially in cases where recovery is slow or