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The Benefits Of L-Theanine

By Jayton Miller

Are you stressed? Do you have trouble falling asleep? Do you love coffee but get a little too jittery from having too much? Fortunately, there is an answer for all of these things. Read on to find out how l-theanine can help you demolish stress, enhance brain function, improve sleep, and more...

Contents:

What Is L-Theanine?:

What Is L-Theanine

L-theanine is a non-essential amino acid that is found mostly in tea leaves — particularly black tea and green tea — as well as in Bay Bolete mushrooms. It's considered "non-essential" because, despite its benefits to the mind and body, L-theanine is not necessarily needed for the human body to function.

L-theanine can also be obtained through supplement form in addition to food products.

This amino acid affects nerve impulses in the brain and releases neurotransmitters to induce a sense of relaxation (it is known as a natural anxiolytic).

Studies suggest that L-theanine can help promote a sense of relaxation without causing drowsiness. In fact, the biggest reason why people take L-theanine is to help alleviate stress and achieve a state of tranquility. Along with relaxation though, l-theanine offers other benefits that might be able to help you in your daily life...

Read More: The Low Cortisol Lifestyle UMZU's Guide To Fighting Stress

Benefits Of L-Theanine:

Benefits of L-Theanine

L-theanine offers a varitey of health benefits, including the following.

Alleviates Stress

While L-theanine has plenty of health benefits, perhaps the biggest and most-well known perk of taking this amino acid is its ability to promote relaxation. Its sedative properties help to put a person at ease and reduce feelings of stress and anxiety.

The great thing about using L-theanine for stress is that it is able to increase relaxation without actually making the person feel overly tired. As such, it should not impact a person's ability to continue with regular daily activities, and might actually enhance your ability to perform tasks.

Increases Focus And Attention

While L-theanine may help to relax a person, it can also help to boost attention and mental clarity when taken alongside caffeine. Many people use l-theanine to “take the edge off” of caffeine to get a nice calm focus. When taken together, both L-theanine and caffeine can improve a person's level of cognition and attention without causing the "jitters."

One study showed that taking L-theanine and caffeine together helped study participants experience better focus while performing demanding tasks.

To achieve the best effect, proper dosing is required. In this case, taking anywhere between 100-200mg of both L-theanine and caffeine offers the best results.

May Improve Memory

In addition to boosting mental clarity, L-theanine may also be effective in helping to improve long-term memory. One study found that patients who suffered from mild cognitive impairment experienced an improvement in recognition skills after taking 60mg of theanine along with green tea extract three times a day for 16 weeks.

Researchers suggest that L-theanine's role in cognitive repair and memory improvement is through the prevention of excessive glutamate stimulation of cells in the brain, which may be associated with neurodegenerative disorders and schizophrenia. Blocking glutamate effects may help L-theanine protect the brain, especially as it ages.

Promotes Better Sleep

Since L-theanine is able to induce a sense of relaxation, it only makes sense that it would be able to promote better sleep. The amino acid is also able to reduce resting heart rate, which also helps to relax a person and create the ideal environment in which to fall and stay asleep.

One study assessed the effects of L-theanine on a group of children and found that the group who took L-theanine was able to experience longer periods of quality sleep compared to the group who took a placebo. L-theanine may also help to improve the quality of sleep in those who suffer from hyperactivity such as ADHD.

May Help Support Healthy Blood Pressure

L-theanine may be helpful for those who experience an elevation in blood pressure after particularly stressful situations. One study found that L-theanine was able to control higher blood pressure after specific stressful mental tasks.

May Help Support Healthy Immunity

Studies suggest that L-theanine may help the body ward off common ailments thanks to a strengthened immune system6. Further, its anti-inflammatory properties may also play a role in combating illness.

Read More: 10 Natural Sleep Aids That Actually Work

How To Use L-Theanine:

How To Use L-Theanine

L-theanine is most effective when taken in supplement form and can be easily consumed through capsules or as a powder.

200mg per day is said to be a safe and effective amount. In fact, many supplements come already dosed at 200mg per tablet. It's important to follow the directions of manufacturers when dosing L-theanine and to speak with a physician first.zuSleep

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Supplementing With L-Theanine:

Supplementing With L-Theanine

According to the US Food and Drug Administration (FDA), L-theanine is classified as generally safe. However, there may be certain side effects associated with consuming too much of the amino acid, especially when combined with too many caffeinated beverages:

  • Nausea
  • Stomach upset
  • Irritability
  • Interactions with cancer-treating drugs

Further, women who are pregnant or nursing should not use L-theanine, or at least significantly limit the amount of black or green tea they drink. As always, it's best to consult with a physician before taking any supplements.

Conclusion:

The efficacy of l-theanine as a cognitive enhancement supplement has been well documented. If you are looking to enhance cognition, memory, attention, and focus or manage stress levels naturally with a product that is not addictive, this may be the right solution for you.