Dihexa Capsules LeadWest Medical Degradation Pathway an overview ScienceDirect Topics 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 AHK CU vs. GHK CU Differences, Benefits & Which Copper Peptide Is Best for Hair Growth Neurogan Health EllieMD Dihexa