Improved mental resilience, attentiveness, and cognition

I felt very sharp on the days I took this product. I've supplemented with L-theanine for a number of years and estimate that a majority of the positive effects that I felt taking this product are attributable to that, particularly the overall sense of well-being and resilience. Effects that I experienced in addition to what I would normally experience with L-theanine included a heightened sense of attentiveness and improved reasoning ability.

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