L-theanine (also called theanine or sometimes r-glutamylethylamide) is an amino acid that impacts nerve impulses in the brain and the release of neurotransmitters, including GABA.
It is known as natural anxiolytic because it can have a calming, sedative effect on the body and mind without making you feel drowsy β which is why itβs often used to reduce anxiety, hyperactivity and sleep-related problems.