Alzheimer's disease Nature How does Dihexa Powder work in the brain? Salispharm D I H E X A is having a moment right now and I get why. When something gets labeled as brain repair or synapse growth, it spreads FAST especially in communities 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 The history of Alzheimers Disease Dihexa Research Grade Neurotrophic Molecule 20 mg PRG