Are you constantly stressed and anxious? You have trouble focusing and concentrating on tasks. Or do you often feel mentally exhausted? If so, you are not alone. Many people struggle with these symptoms on a daily basis. And these symptoms can have a profound impact on your productivity and overall well-being. Fortunately, there are natural remedies that can help improve cognitive function. and reduce stress and anxiety. One remedy is L-theanine, which is an amino acid found in tea leaves. In this article we will look at the history. a mechanism of action. and scientific evidence for the use of L-theanine to improve cognitive function. and reduce stress and anxiety
L-theanine was first discovered in 1949 by Japanese scientists who isolated it from green tea leaves. A nonprotein amino acid that is not used in protein synthesis but is believed to act in the brain to promote relaxation and reduce stress. in the years following its discovery, L-theanine has gained popularity as a dietary supplement due to its ability to improve cognitive function and reduce stress and anxiety
How it works
L-theanine is believed to be effective in increasing the production of neurotransmitters such as serotonin and dopamine in the brain. This neurotransmitter plays a role in regulating emotions and cognitive function, and deficiency can lead to symptoms such as anxiety and poor concentration. L-theanine also increases the production of alpha brain waves associated with relaxation.By promoting a state of relaxation and reducing stress and anxiety, L-Theanine can help improve alertness and focus.
In addition, L-theanine can affect the production of neurotransmitters and brain waves, as well as the body's stress response system. It has been shown to reduce the release of the stress hormone cortisol, which can lead to less stress and anxiety
Overall, the exact mechanism by which L-theanine improves cognitive function and reduces stress and anxiety is not fully understood, but it appears to be a combination of these effects on the brain and body.
Studies and Results
A growing body of scientific evidence supports the use of L-theanine to improve cognitive function and reduce stress and anxiety.
In one study, researchers gave 200 mg of L-theanine to a group of healthy adults and found improvements in alertness and performance on cognitive tasks. The study also found that L-theanine reduced anxiety and improved participants' mood.
Another study examined the effects of L-theanine among people with schizophrenia. The study found that L-theanine reduced anxiety and improved sleep quality in participants.
A review of several studies on L-theanine concluded that it may be effective in reducing anxiety and improving cognition in both healthy people and people with anxiety disorders.
Although the evidence for using L-theanine to improve cognitive function and reduce stress and anxiety is promising, more research is needed to better understand its effects and determine the optimal dosage for different populations.
Finally, L-theanine is a natural amino acid that has been shown in several studies to improve cognitive function and reduce stress and anxiety. It can be a useful supplement for those who have problems with focus and concentration or for those with high levels of stress and anxiety. If you plan to take L-theanine it's important to talk to a healthcare professional to determine the right dosage and make sure it's safe for you.
- Yokogoshi, H., et al. (1998). Effects of theanine, a unique amino acid in tea, on memory and attention. Food Science and Technology Research, 4(2), 121-124.
- Jung, J., et al. (2010). The effects of L-theanine on alpha-band oscillatory brain activity during a visuo-spatial attention task. Brain Topography, 22(4), 191-201.
- L-theanine. (n.d.). Retrieved from https://examine.com/supplements/l-theanine/.