Theanine
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•Last Updated: September 27, 2023
Theanine, also commonly referred to as L-theanine, is a naturally occurring amino acid found in tea. Supplementation with L-theanine may help reduce stress and anxiety and might improve sleep quality and some aspects of cognitive function.
Theanine is most often used for .
26 references on this page
737 participants in 25 trials and 1 meta-analysis