200 mg of Zen contains a combination of L-theanine and GABA. L-theanine is found in green tea (Camellia sinensis)
 
Product Info-
Serving Size:2 Vegetable Capsule
Servings Per Container:30
Disclaimer
Amount Per Serving
GABA (Gamma-Aminobutyric Acid)550 mg
L-Theanine200 mg
Other Ingredients:
Hydroxypropyl methylcellulose, microcrystalline cellulose, rice hull concentrate, gum arabic, sunflower oil
 
Suggested Use-
As a dietary supplement, 1 or 2 capsules daily between meals, or as directed by a healthcare practitioner.
 
Warnings-
If taking antidepressants or other psychotropic medications, use only under the supervision of a qualified healthcare practitioner. Although we are not aware of any interactions, because these also affect brain function there is theoretical potential for negative or positive interactions, either of which would need to be monitored. Keep in a cool, dry place, tightly capped.