Everybody experiences days where stress levels hit their peak. It is in times like these that everyone should have access to L-theanine, which is an amino acid that can take the anxiety and stress away from a hard day.
A precise description would say that L-Theanine (also known as just Theanine) is an amino acid and a glutamic acid analog commonly found in green tea, and is widely used as a way to relieve both mental and physical stress . A more simple answer would be that L-Theanine is used around the world (whether it be through drinks such as green tea or food such as chocolate) to help people feel relaxed, yet perked up .
How does L-Theanine work?
L-Theanine works by crossing the blood-brain barrier, and then increases the brain’s dopamine and alpha wave levels , which makes the user feel calm and at ease. On top of that, Theanine does not take long to kick in, with most users feeling better within moments of the theanine being digested .
What else should I know about L-Theanine Benefits?
It Helps With Short-term Memory
Studies have shown that L-Theanine is also capable of improving a user’s short term memory, and can have a significant effect on the general state of mental alertness or arousal . This evidence was obtained through tests which compared human electroencephalograph (EEGs) levels, which in the end showed that L-Theanine had a direct effect on brain wave levels.
It Can Increase Attention Span Levels
When tested, L-Theanine showed that at realistic dietary levels it could manage to improve alpha levels, which are known to play an important role in critical aspects of attention span levels.
Boost Mood levels and reduce anxiety
In a manner similar to caffeine , theanine can boost the mood of its user, and can do so without providing the excess of energy that caffeine provides.
No harmful psychological or physical effects 
In several tests, L-Theanine proved to have no adverse side effects on the brain of its test subjects. In fact, in some test subjects, the usage of L-Theanine proved to have neuroprotective properties, which actually helped slow the damage of afflictions such as spine and brain damage .
Tests and consumers from around the world have testified to the positive results of L-Theanine. With its ability to stimulate the mind while simultaneously relaxing the mind, it’s no wonder Theanine so popular.