Dihexa rescued the cognitive ability of APP PS1 mice. (A) Dihexa Download Scientific Diagram PDF) AngIV Analog Dihexa Rescues Cognitive Impairment and Recovers Memory in the APP PS1 Mouse via the PI3K AKT Signaling Pathway 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 is changing the conversation around cognitive optimization., This is one of PA Tammys many, many favorite peptides! And for good reason , Unlike options that can leave you feeling jittery or