drjoshredd explaining how the FDA change will affect peptides. This is such a great post with so much information. We are so excited to see the FDA taking this step with peptides Dihexa 10mg Capsules Cognitive Research Support Peptide Pure Bio Labs Dihexa 10mg Capsules Cognitive Research Support Peptide Pure Bio 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