Also known as 5-N-ethylglutamine, theanine,  gamma-glutamylethylamide, Teanina and N-Ethyl-L-Glutamine among others, L-Theanine is a kind of amino acid that is popularly used for treating high blood pressure and anxiety, increasing the effectiveness of drugs for cancer and preventing Alzheimer’s disease among others. It is commonly found in green tea. The Working: L-Theanine Review The chemical structure as well as the working of L-Theanine is very similar to glutamate – a naturally occurring amino acid that aids in the transmission of nerve impulses in the brain. Stress has emerged as one of the major issues in the modern times and people are always on the lookout for herbal supplements for depression. Green tea is one of the first names that come to the mind in the situation and is known to have a relaxing effect. Recent studies have confirmed the same and researchers attribute this to the presence of L-Theanine in green tea. Studies have also revealed that consumption of 200 mg of Theanine promotes the creation of GABA or gamma-aminobutyric acid in the brain that is an important anti-stress neurotransmitter. Consuming the right amount may help in •    Reducing Stress •    Promoting Alertness •    Reducing simple nervous tension •    Promoting focus and mental clarity •    Promoting relaxation without drowsiness •    Promoting Memory and Learning •    Negating the effects of Caffeine No Side Effects: L-Theanine Review Go through any of the L-Theanine reviews as present on the internet; and you would be amazed to know that none of them mentions any ...

You’ve read plenty about L-Theanine, so far. That’s probably why you’re trying to learn more about how L-Theanine works. The good news is that L-Theanine has been shown, in clinical studies, to be effective. It has also been deemed safe by several governments throughout the world, and in Japan it is a supplemental additive to many grocery stuffs. The not-so-good news, though, is that no one is entirely sure how L-Theanine works. There are currently only theories and speculations that provide our current understanding of the effectiveness of this naturally produced organic compound. How L-Theanine Works The brain relies on a substance referred to as GABA for normal cognitive functioning. Deficiencies in GABA production can result in a chemical imbalance that causes anxiety or depression. Supplements like SAM-e for example that attempt to fill the blood stream with GABA are ineffective due to the blood-brain barrier; GABA ingested directly can’t penetrate through the barrier and do its job. L-Theanine helps to produce GABA within the blood-brain barrier, allowing for it to be absorbed. How and why this happens is what isn’t fully understood. L-Theanine Has Been Around for Millenia The most interesting thing about L-Theanine isn’t how it works but for how long it has been used. If you have ever had green tea you have tasted L-Theanine – it provides the soupy, broth-like texture as well as the being the primary contributor to green tea’s unique taste. Interestingly enough the ancient Chinese knew that green tea was a mood ...