L-theanine is an amino acid that occurs naturally in tea leaves and is used in Asian medicine to treat many medical and mental health problems. In a previous blog post, I briefly reviewed the evidence ...

L-theanine is an amino acid naturally found in tea leaves. First linked to tea’s calming effects in the 1940s, it is now sold as a supplement for stress relief, focus and better sleep. Research into ...

How L-Theanine Works in the Body L-theanine works by directly interacting with neurotransmitters that regulate brain activity by crossing the blood-brain barrier. This amino acid regulates several key ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Who wouldn't want to take a pill and quickly experience less stress and anxiety without unpleasant side ...

This is the second post in a series of non-pharmacologic management of anxiety during the COVID-19 pandemic. In the first post, I commented on the limited efficacy of benzodiazepines for anxiety and ...