Life Extension L-Theanine 100mg 60 Vegetarian Capsules Sleep Relaxation Stress. Encourage relaxation and well-being by helping to support a healthy stress response Promote brainwave patterns similar to massage Support production of gamma-aminobutyric acid, the neurotransmitter that influences levels of dopamine and serotonin L-Theanine is an amino acid found in tea and has been shown in several studies to support calming effects by favorably modulating several aspects of brain activity.
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