Tag: L theanine side effects

Research indicates that L-theanine typically promotes relaxation by boosting alpha brain wave activity, yet a small number of people report a paradoxical stimulating effect that keeps them awake. This unexpected outcome stems from complex interactions within the brain's neurochemical systems and individual variations in metabolism and sensitivity.

While many dietary supplements can cause gastrointestinal upset, research indicates that L-theanine does not function as a typical laxative or diuretic. This article explores the nuanced relationship between L-theanine and your bathroom habits, from potential digestive discomfort to its effects on bladder function.

While the FDA recognizes L-theanine as “generally recognized as safe” (GRAS) for its use in food, some individuals may still experience adverse reactions. This guide will explain what are the side effects of taking L-theanine, detailing potential mild risks and crucial medication interactions to be aware of.