Instead, they encourage relaxation to promote sleep. L-theanine acts on glutamate receptors in the central nervous system. Glutamate is a neurotransmitter that supports numerous functions in the body.

A review highlighted how L-theanine competes with glutamate for receptors in the brain, allowing it to exert a relaxing effect that can help mitigate stress responses. This effect has been ...

L-theanine specifically reduces the release of glutamate. This excitatory neurotransmitter triggers nerve signals. High levels of glutamate can cause hyperactive nerve signals during times of ...

Our ability to manage stress and keep our mental health and our mind focused and clear is becoming more and more important in ...