Autism research Naviaux Lab Altered Peak C peptide and Fasting Blood Glucose in Children with Autism Spectrum Disorder Dihexa Peptide Therapy Online Bowery Clinic Autism Spectrum Disorder: Neurodevelopmental Risk Factors, Biological Mechanism, and Precision Therapy 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 Role of Dietary Peptides Gluten and Casein in the Development of Autism Spectrum Disorder: Biochemical Perspectives Molecular Neurobiology Springer Nature Link