DSIP Polar Peptides Inflammation may trigger autism, but healing requires both calming the immune system and rebuilding strength. Peptides that enhance brain derived and nerve growth factors can help accelerate neurological recovery and improve outcomes in 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 1 Terminology: View as single page OLCreate ASD SPD ADHD & Dissociation: Contributor Co Occurrence or Misdiagnosis