L-theanine appears beneficial to mood and attention with negligible short-term side effects. I wonder, though, what long-term side effects L-theanine supplemen

L-theanine appears beneficial to mood and attention with negligible short-term side effects. I wonder, though, what long-term side effects L-theanine supplement might cause. I searched several times but most information on long-term consumption is anecdotal. The best site on the Web for summaries of studies on supplement efficacy appears to be: https://examine.com/supplements/theanine/ https://examine.com/supplements/theanine/