Description
L-Theanine. Theanine is an amino acid found in tea. It is also found in some mushrooms. It is similar in structure to glutamic acid, another amino acid. Some people take theanine by mouth for anxiety and stress, depression, schizophrenia, for preventing Alzheimerโs disease, for treating attention deficit-hyperactivity disorder (ADHD), and improving mental performance and attention. Theanine has a chemical structure very similar to glutamate, a naturally occurring amino acid in the body that helps transmit nerve impulses in the brain. L-theanine is whatโs known as anย anxiolyticโit works to reduce anxiety. Some anxiolytics, such as valerian and hops, have sedative effects. L-theanine, on the other hand, promotes relaxation and stress reduction without sedating. L-theanine can help foster a state of calm, attentive wakefulness. L-theanine has positive effects on both the mental and physical symptoms of stress, including lowering heart rate and blood pressure.
