Dihexa: The Game Changer for Brain Health?, Did you know theres a peptide that could protect nerve cells, boost brain function, and even help with Parkinsons? Studies show Dihexa can stimulate RCSB PDB 4HZG: Structure of haloalkane dehalogenase DhaA from Rhodococcus rhodochrous 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 Research Grade Neurotrophic Molecule 20 mg PRG