Pathway based network medicine identifies novel natural products for Alzheimer's disease Alzheimer's Research & Therapy Springer Nature Link Frontiers A Role for the Brain RAS in Alzheimer's and Parkinson's Diseases DIHEXA Beverly Hills Rejuvenation Center 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 Capsules Premium Dihexa Brain Peptide Supplement for Cognitive Support and Focus 60 Count Etsy AngIV Analog Dihexa Rescues Cognitive Impairment and Recovers Memory in the APP PS1 Mouse via the PI3K AKT Signaling Pathway