Established 1971 Suntheanine Gluten-Free Gently Soothes Away the Tension Helps Reduce Stress Includes Vitamin B-6 for Utilization Dietary Supplement Kosher Parve — Our Pledge of Integrity — Authenticity Cleanliness Freshness Consistency Accuracy Country Life uses only Suntheanine, a form of L-theanine with over 50 studies and patents. L-theanine has been referred to as the happy amino for its ability to help reduce stress. It has also been shown to help diminish normal symptoms of PMS when taken 400 mg daily.