Benefits

By increasing the brain's output of alpha waves, theanine has been observed to control anxiety, increase mental focus, improve concentration, and promote creativity, sounder, more restful sleep, better control of stress Other claims for theanine may include benefits PMS, cancer therapy and a reduction in blood pressure.
 
This makes theanine extremely effective for combating tension, stress, and anxiety-without inducing drowsiness.

Clinical studies show L–theanine effectively:

• Reduces stress/anxiety by inducing relaxation.
• Increases focus, concentration, and learning
• Lowers blood pressure.
• Lowers PMS symptoms
• Reduces tension muscle pain.
• Modulates mood.
• Reduces the effects of caffeine.