Neurotransmitters are the chemical messengers that regulate mood, memory, the sleep cycle and daily stress. Adequate neurotransmitter production depends on an adequate supply of amino acids, vitamins and minerals in the diet. High levels of stress, dietary deficiencies, genetics, medications and toxins all play a role in neurotransmitter depletion. This product provides the nutrients required to help optimize neurotransmitter production. L-Theanine† L-theanine is an amino acid found abundantly in green tea. L-theanine has been shown to quickly improve stress perception and resilience. The stress-buffering mechanisms of l-theanine have been connected to its ability to increase serotonin and dopamine production in the brain. L-theanine has also been shown to significantly increase alpha brain wave activity, which is critical for increasing attention as well as promoting a sense of relaxation. In a study on healthy volunteers, electroencephalograph (EEG) readings of participants were recorded following the ingestion of 50 mg of l-theanine. The researchers found a greater increase in alpha brain wave activity versus placebo.  L-theanine has also been shown to have a protective effect on nerve cells that are overstimulated by the excitatory neurotransmitter, glutamate. 
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