Dihexa is an experimental cognitive peptide that may help the brain build stronger connections between neurons instead of just temporarily boosting neurotransmitters like many nootropics do. It works through the HGF c Met pathway, HGF Signaling Pathway Sino Biological Role of c Met HGF Axis in Altered Cancer Metabolism Springer Nature Link A novel agonist for the HGF receptor MET promotes differentiation of human pluripotent stem cells into hepatocytelike cells Tauran 2022 Development, Growth & Differentiation Wiley Online Library Targeting HGF c MET signaling to regulate the tumor microenvironment: Implications for counteracting tumor immune evasion Cell Communication and Signaling Springer Nature Link