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: A Comprehensive Guide to This Promising Peptide I guess it's time to grow I've been using Dihexa in the mornings for the last few months to help with my mental focus and keep me locked in during the Dave Palumbo on peptides that promise seemingly way too many benefits and why some bodybuilders feel compelled to try too many peptides at the same time. RXMuscle.com Facebook EllieMD Dihexa