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Prioritising focus and cognition with L-theanine

Written by Kate Street, Clinical Nutritionist and Communications and Content Coordinator at Blackmores Institute

Key highlights

  • Emerging evidence suggests L-theanine may support calm, focused cognition by increasing alpha brain wave activity and modulating glutamatergic and GABAergic neurotransmission, helping to reduce cognitive 'noise' and support attentional control.
  • Clinical studies indicate benefits for stress-related outcomes, selective attention, task performance, and cognitive function, particularly during periods of psychological stress or increased mental demand.
  • Rapid oral absorption and onset of action support the use of L-theanine in flexible, situational supplementation formats for cognitively demanding settings. 

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