L-Theanine 100mg 90vcap - Now Foods

L-Theanine reduces anxiety and stress, improves mood, strengthens memory, and stimulates concentration. It may also help in the prevention of atherosclerotic disease. L-Theanine is found almost exclusively in the green tea plant. It is synthesized in the plant's roots, but it is concentrated in the leaves, representing about 1 to 2% of the green leaves' weight. It makes up 50% of the amino acids present in green tea. L-Theanine has the ability to cross the blood-brain barrier and has been shown to influence brain activity, possibly due to its influence on certain neurotransmitters, such as dopamine and serotonin, suggesting potential applications in situations of stress, anxiety, and depression.
Research in humans has shown that approximately 30 to 40 minutes after the ingestion of L-theanine, a feeling of relaxation emerges through two different mechanisms: it directly stimulates the production of alpha brain waves, creating a state of relaxation and mental alertness similar to that achieved through meditation; it promotes the formation of gamma-aminobutyric acid (GABA), which influences the levels of other neurotransmitters such as dopamine and serotonin, both of which are important for relaxation and mood stabilization. In addition to L-Theanine, this food supplement also contains Decaffeinated Green Tea, which makes this supplement suitable for hypertensive individuals. Green tea, by containing L-theanine in its composition, helps to reduce stress, promote relaxation, and improve sleep quality.

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