There’s something calming about sipping a cup of green tea, and it could be the L-theanine. An amino acid discovered naturally in green tea, L-theanine is claimed to alleviate anxiety, improve sleep, and reduce stress.
Uses for L-Theanine
Proponents declare that L-theanine will help with quite a lot of well being concerns, equivalent to nervousness, ltheanine amazon melancholy, high blood pressure, high cholesterol, insomnia, and stress.
L-theanine is also purported to increase focus, promote weight reduction, and enhance the immune system. In addition, some proponents recommend that L-theanine can forestall stroke, Alzheimer’s disease, and a few forms of cancer.
The Benefits of L-Theanine
Up to now, scientists have yet to extensively explore the advantages of L-theanine. However, preliminary research suggests it could help lift mood, improve brain operate, and calm the body’s response to stress and anxiety. Here is a look at some key study findings:
L-theanine may help to reduce anxiety, in response to a 2016 study. Healthy individuals consumed a drink containing 200 mg L-theanine or a placebo. One hour after consumption, the stress response to a cognitive stressor was significantly reduced in those that consumed the L-theanine drink. Three hours after consumption, saliva cortisol (a hormone secreted in response to emphasize) was significantly lower.
One other research explored the effects of standard consumption of L-theanine and located that each day consumption decreased subjective stress and saliva levels of α-amylase (an enzyme released in response to stress) in undergraduate students undergoing stress.
A preliminary research examined the consequences of a low-caffeine green tea on sleep quality (caffeine in green tea can intrude with sleep and should counteract the effect of theanine). After consuming a low-caffeine green tea day by day for seven days, saliva alpha-amylase levels had been considerably decrease in those who drank the low-caffeine green tea than in those who consumed the standard green tea. Sleep quality was higher in those who had consumed a larger quantity of low-caffeine green tea.
A 2017 study printed in Acta Neuropsychiatrica explored the use of L-theanine for main depression. The trial included 20 women and men who had 250 mg of L-theanine added to their present remedy for eight weeks. They found it had multiple advantages in relieving nervousness, sleep disturbances, and cognitive impairment associated with depression.
4) Cognitive Function
A 2010 examine from Dietary Neuroscience suggests that a combination of L-theanine and caffeine may assist improve cognitive performance.
For the research, forty four younger adults took either a placebo or a mixture of L-theanine and caffeine prior to performing a demanding cognitive task. Researchers discovered that the mix of L-theanine and caffeine significantly improved accuracy and alertness. It also helped to extend focus whereas performing the task.
5) Weight Loss
L-theanine shows promise as a weight reduction support, in line with preliminary animal-based research printed in the journal In Vivo. In an experiment involving mice fed green tea powder, researchers discovered that L-theanine and caffeine discovered within the powder appeared to forestall weight acquire and fight the buildup of fat.