Dihexa 20 60mg 10ml Nasal Spray eBay 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 Have you heard of the peptide DIHEXA? This is an amazing peptide for cognitive function, short and long term memory, and improves focus! , DIHEXA, a synthetic peptide designed to significantly DIHEXA PEPTIDE 10MG VIAL UMBRELLA Labs