10 papers analyzed
These studies suggest that theanine and caffeine together improve cognitive performance, attention, and reduce mental fatigue, although some studies indicate they may counteract each other's effects under certain conditions.
The combination of theanine and caffeine, both naturally occurring in tea, has been studied for its effects on cognition, mood, and attention. This synthesis aims to present the collective findings from multiple research papers on the effects of these two compounds when consumed together.
Enhanced Cognitive Performance and Mood:
Attentional Focus and Brain Activity:
Interaction Effects on Physiological and Behavioral Responses:
Neurophysiological Measures:
The combination of theanine and caffeine has been shown to enhance cognitive performance, improve mood, and increase attentional focus. These effects are particularly notable in tasks requiring sustained attention and inhibitory control. Theanine appears to counteract some of the negative physiological effects of caffeine, leading to a more balanced and effective cognitive enhancement. This combination may be particularly beneficial for individuals with attention-related challenges, such as ADHD.
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