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 & Tesofensine Bundle Pack: Amazon.com: Industrial & Scientific 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 Solubility parameters. Solubility parameters of the used solvents along Download Table Dihexa Wikipedia DHX PNB 0408 Pure Health Peptides