Acute effects of theanine, caffeine and theanine–caffeine combination on attention

  title={Acute effects of theanine, caffeine and theanine–caffeine combination on attention},
  author={C. Kahathuduwa and T. Dassanayake and A. Amarakoon and V. Weerasinghe},
  journal={Nutritional Neuroscience},
  pages={369 - 377}
  • C. Kahathuduwa, T. Dassanayake, +1 author V. Weerasinghe
  • Published 2017
  • Psychology, Medicine
  • Nutritional Neuroscience
  • Objective: l-theanine is a constituent of tea which is claimed to enhance cognitive functions. We aimed to determine whether theanine and theanine–caffeine combination have acute positive effects on cognitive and neurophysiological measures of attention, compared to caffeine (a positive control) and a placebo in healthy individuals. Design: In a placebo-controlled, five-way crossover trial in 20 healthy male volunteers, we compared the effects of l-theanine (200 mg), caffeine (160 mg), their… CONTINUE READING
    21 Citations

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