L Tyrosine vs. Dextroamphetamine In a sleep deprivation study, L Tyrosine actually outperformed one of Adderall's active stimulants (dextroamphetamine) in key cognitive tests, like mathematical processing and logical reasoning, even after 30 hours with Anti dityrosine(DT DY) monoclonal antibody: JaICA's OXIDATIVE STRESS MARKERS FOR PROTEIN OXIDATION The role of tyrosine hydroxylase dopamine pathway in Parkinson's disease pathogenesis Research Communities by Springer Nature Enzymatic Phosphorylation of Oxidized Tyrosine Residues Schematic illustration of tyrosine and catechol oxidation process by Download Scientific Diagram