L-theanine is an amino acid found most commonly in tea leaves and in small quantities in Bay Bolete mushrooms. It can be present in both green and black tea. It’s also available in tablet or tablet type at many drugstores.
Research indicates that L-theanine promotes relaxation with out drowsiness. Many individuals take L-theanine to assist ease stress and unwind.
Earlier than trying it out yourself, study more concerning the potential health benefits, in addition to any attainable dangers or complications.
L-theanine advantages and uses
Most recognized for serving to folks loosen up, L-theanine has many other potential health advantages, together with:
Nervousness and stress-aid
A hot cup of tea might help anyone feel more comfy, however analysis suggests it might be the most helpful for those coping with high levels of anxiety.
5 randomized-controlled trials with a total of 104 members discovered L-theanine reduced stress and nervousness in people who had been experiencing nerve-racking situations.
Another research discovered that it elevated rest without causing drowsiness and reduced resting coronary heart rate.
A examine published in the Journal of Scientific Psychiatry centered on individuals with schizophrenia or schizoaffective disorder. Researchers discovered that L-theanine decreased nervousness and improved symptoms.
Paired with caffeine, L-theanine could assist improve focus and attention.
A 2013 research found that moderate ranges of L-theanine amazon and caffeine (about 97 mg and 40 mg) helped a bunch of younger adults to focus higher throughout demanding tasks.
The examine’s members also felt more alert and less tired in general. In line with one other examine, these results will be felt in as little as 30 minutes.
Some analysis means that L-theanine could enhance the function of the body’s immune system. One research revealed within the journal Beverages discovered that L-theanine may help lower the incidence of higher respiratory tract infections.
One other examine discovered that L-theanine could assist improve inflammation within the intestinal tract. However, more research is required to confirm and expand on these findings.
Tumor and cancer remedy
The authors of a 2011 study recommend that L-theanine found within the Bay Bolete mushroom works collectively to improve the effectiveness of sure chemotherapy drugs.
Because of these promising findings, the identical biotechnology researchers anticipate that L-theanine might additionally assist improve chemotherapy’s potential to struggle cancer.
Although there’s no definitive proof to show that tea prevents cancer, a number of research suggest that people who recurrently drink tea have decrease rates of cancer.
Researchers of one study in China discovered that girls identified with ovarian cancer who drank at the least one cup of green tea a day lived longer than those that didn’t.
One other research that checked out tea drinkers compared to nondrinkers discovered that those that drank tea were 37 p.c less likely to develop pancreatic cancer.
Blood pressure control
L-theanine could also be helpful for individuals who experience elevated blood pressure in disturbing situations.
A 2012 study noticed individuals who normally experienced higher blood pressure after certain mental tasks.
They found that L-theanine helped control this blood pressure enhance in those groups. In the identical examine, the researchers famous that caffeine had an analogous however less helpful effect.
Improved sleep high quality
Some research indicates that L-theanine may very well be helpful for an excellent night time’s sleep. Researchers in a single study found that doses of 250 mg and 400 mg of L-theanine drastically improved sleep in animals and humans.
Additionally, 200 mg of L-theanine was shown to reduce resting coronary heart rate, pointing to its capacity to advertise relaxation.
L-theanine can also assist boys recognized with attention deficit hyperactivity dysfunction (ADHD) sleep better.
A 2011 study looked at the effects of L-theanine on 98 boys aged 8 to 12. A randomized group was given two 100 mg chewable tablets of L-theanine twice daily. The other group obtained placebo pills.
After six weeks, the group taking L-theanine was found to have had longer, more restful sleep. Whereas the outcomes are promising, more research is needed earlier than it may be proven as protected and efficient, especially for children.
Different analysis discovered that L-theanine improved sleep high quality for these recognized with schizophrenia.