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 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 Dihexa 5mg Rize Up Medical Umbrella Lab Announces Documentation And Traceability Update For Dihexa Peptide Stem cell, Granulocyte Colony Stimulating Factor and or Dihexa to promote limb function recovery in a rat sciatic nerve damage repair model: Experimental animal studies ScienceDirect Half Life (t) NIH