L-theanine has been used to:
that L-theanine creates a sense of relaxation through at least two different mechanisms. First, it directly stimulates the production of alpha brainwaves, creating a state of deep relaxation and mental alertness similar to what is achieved through meditation. Second, L-theanine is involved in the formation of the inhibitory neurotransmitter, gamma amino butyric acid (GABA). GABA influences the levels of two other neurotransmitters, dopamine and serotonin, producing the key relaxation effect.
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L-theanine is one of the major amino acid components in green and black tea. It is considered the main substance responsible for the taste of green tea. Second only to water, tea is the most widely consumed beverage in the world. Research on human volunteers has demonstrated
Its use in 8-12Hz® is primarily for its ability to de-stress and to stimulate the production of alpha brainwaves for alert relaxation.
At this time there are no known side effects associated with the use of L-theanine. Studies on test rats have shown even repeated, extremely high doses of L-theanine cause little to no harmful psychological or physical effects. Nevertheless, the usual cautions apply.
Consult your physician if you are pregnant, nursing, taking medication or have a medical condition.