Ghk Cu Peptide Injection IV Vitamin Therapy EllieMD Dihexa What Is Dihexa? A Holistic Look at This Promising Brain Health Compound Evolution Integrative Medicine GHK CU Research Peptide Alpha Carbon Labs 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 Enteric Coated Capsules Genetic Peptides