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L-Theanine Supplement Information
An amino acid that is found in tea, L-theanine (also known as just theanine) is claimed to be useful for a variety of different conditions when taken as a supplement. Some of these uses include the treatment of:
It's important to note that research on L-theanine is in the early stages, and much more research is necessary before this supplement can be confirmed to be safe and effective for any use.
Most people are able to take this supplement without any problems; however, it is not right for everyone. Prior to beginning treatment with L-theanine, inform your healthcare provider about any other medications you are taking, including other supplements, and any other medical conditions you have, especially liver or kidney disease.
(Click L-Theanine for more information on this supplement, including how it is thought to work.)
Written by/reviewed by: Arthur Schoenstadt, MD
Last reviewed by: Arthur Schoenstadt, MD



