Theanine: The Natural 'Feel Good' Supplement

Theanine, more commonly referred to as L-theanine or Suntheanine, is an amino acid that can be found in many quality green teas. It is currently distributed in the United States as a dietary/nutritional supplement, and is considered to be generally recognized as safe by the American Food and Drug Administration.

Theanine has been studied extensively and has subsequently been linked to promoting relaxation and calming effects. In addition, studies have also shown that theanine reduces both mental and physical stress, which may be an underlying factor of anxiety and attention-deficit hyperactivity disorder.

Theanine can cross the blood-brain barrier, and has properties that affect the way the brain functions. Aside from reducing stress, it has also been shown to promote good mood and improve focus when taken with caffeine.

You are most likely one of many Americans that relies on caffeine to wake up, get focused, and get through the day - so Theanine may be a beneficial supplement that can help you with the daily grind.

So how does it work?

Well, theanine produces all of its effects by increasing levels of gamma-amino butyric acid production. Caffeine has the opposite effect, in that it reduces GABA production, which is why a more noticeable effect is seen when theanine is taken with caffeine.

Here are a few common functions of theanine: reduces stress, promotes relaxations without effects of drowsiness, eases the mind and reduces nervousness, reduces irritability common with nervousness, improves concentration and focus resulting in a greater ability to take in information, increases mental sharpness, helps strengthen the immune system, reduces stress, and negates some negative effects of caffeine.

Theanine is an all natural alternative to prescription medications for treating ADHD and stress. So if you like to go heavy on the caffeine intake but are impartial towards the side effects, or if you simply want to try something that will help you feel more focused and relaxed - give theanine a shot! It is a cheap supplement that can be found at your local drugstore, and unlike many prescription drugs, there are no negative side-effects.