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 a relaxation effect.
L-Theanine has been shown to reduce mental and physical stress. It may produce feelings of relaxation.
Kosher Theanine (Kof K) Pareve