L-theanine – Promote Relaxation and Reduce Stress L-theanine is an amino acid that helps promote a restful, relaxed state without diminishing daytime alertness.* It's free of the side effects commonly associated with other relaxing agents and can be used to aid in stress management. During a study of human volunteers, L-theanine promoted the generation of alpha brain waves, an indication of relaxation.* Another small, controlled clinical trial suggests that L-theanine supports a healthy stress response.* Results of yet another human trial suggest that L-theanine may act via the sympathetic-medullary system, either in addition to or instead of the hypothalamic-pituitary-adrenal axis.* L-theanine has long thought to interact with the binding of L-glutamic acid to glutamate receptors in the brain.*

Warning: If you are pregnant, nursing, or taking prescription drugs, consult your healthcare professional prior to use.Keep out of reach of children.Keep bottle tightly closed. Store at room temperature. Avoid excessive heat and direct sunlight.