Dihexa Wing Span Dihexa Research Grade Neurotrophic Molecule 20 mg PRG EllieMD Dihexa Dihexa 30C Wellness at Century City Small molecule activation of the neurotrophin hepatocyte growth factor to treat Alzheimer disease 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