This remarkable amino acid, an extract from the green tea plant, is what differentiates the effects of coffee and tea on our bodies.
It has so many benefits from helping focus, calm, aiding cognitive function and it also helps with the length and quality of sleep too. So how does it work?
What is L-theanine?
L-theanine is a naturally occurring amino acid found in green tea. It helps to promote alpha-wave activity in the brain to reduce anxiety and stress, increase relaxation and help children get a better night’s sleep.
How does it calm the mind?
One of its unique properties is that it has the ability to cross the blood brain barrier and thus affects and acts as similarly structured neurotransmitters (like glutamate and l-glutathione) It helps to boost levels of GABA which aids production of the calming chemicals serotonin and dopamine. They promote relaxation, support a healthier response to stress, and help to regulate sleep.
By inhibiting the levels of ‘excitatory’ brain chemicals which helps to reduce stress and promote a general feeling of calm.
How does it help with sleep
The main benefit of L-theanine is that it helps to support sleep without being a sedative. It works with the body's natural sleep mechanisms to promote relaxation, encourage a calm mind and to improve the quality and length of sleep overall.
L-Theanine can be found naturally only in two species, the tea plant Cammelia sinensis and the Bay Bolete mushroom.