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L-Theanine Clinical Studies

Study #1

 

"These data indicate that L-theanine, at realistic dietary levels, has a significant effect on the general state of mental alertness or arousal. Furthermore, alpha activity is known to play an important role in critical aspects of attention, and further research is therefore focussed on understanding the effect of L-theanine on attentional processes."

 

[Nobre AC, Rao A, Owen GN. L-theanine, a natural constituent in tea, and its effect on mental state.  Asia Pac J Clin Nutr. 2008;17 Suppl 1:167-8.]

 

Study #2

 

"Our results suggest that l-theanine has antipsychotic-like and possibly antidepressant-like effects. It exerts these effects, at least in part, through induction of BDNF in the hippocampus and the agonistic action of l-theanine on the NMDA receptor."

 

[Chisato Wakabayashi, et al. Behavioral and molecular evidence for psychotropic effects in l -theanine. Psychopharmacology

February 2012, Volume 219, Issue 4, pp 1099-1109]

 

 
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