l-Theanine is a natural component of green tea that is responsible for its characteristic taste. l-Theanine is also believed to be the component in green tea responsible for its relaxation effects.

• Supplement Facts
  
  Suggested use: as a dietary supplement, 1–6 capsules per day, in divided doses, between meals.
• 
  
  
• each vegetable capsule contains
• 
  
• l-theanine..........................................................................200 mg
• 
  
  Other ingredients: hypo-allergenic plant fiber, vegetable capsule

Uses:

Relaxation Support: Preliminary clinical evidence shows an increase in alpha brain wave activity after theanine administration. Alpha waves are an indication of an alert/relaxed mental state.
Premenstrual Support: In a clinical test, theanine provided both mental and physical support for women, including moderation of occasional irritability and stress.
Nervous System Support: l-Theanine moderates the effects of caffeine on the central nervous system. It has also been shown to support healthy neurotransmitter function.