L – Theanine

L-theanine promotes relaxation and decreases anxiety by contributing to several enhancements in your brain, and it can reduce and prevents stress-related cognitive confusion.

L-theanine promotes relaxation and decreases anxiety by contributing to several enhancements in your brain. L-Theanine is a unique non-protein amino acid found in green tea a given and vary active compounds ingested in daily life, it has the potential to become a functional food ingredient that reduce and prevents stress-related cognitive confusion in today’s stressful world. It would be wonderful if you could get all you need out of a cup of tea, but unfortunately you will need to drink about 2-3 litres of tea to ingest and absorb the recommended daily allowance of 200-300mg per day.

Clinical studies have shown that the amino acid L-theanine can decrease stress-related symptom (i.e., depression, anxiety-trait, and sleep) and it shown that cognitive function (i.e., verbal fluency, processing, and executive function) has improved after taking 100mg – 200mg of L-theanine for four weeks. The quality of sleep has increased, and the time it took to go from being fully awake to sleeping was less, the inability to fall or stay asleep, and use of sleep medication has decreased.

Studies have also proven that the verbal fluency, especially letter fluency, was improved on L-theanine among individuals who showed relatively low performance at pre-treatment.
Moreover, L-theanine administration was safe and well complied with. Therefore, L-theanine may be a suitable nutraceutical ingredient for improving mental conditions in a healthy population.