There’s a reason why drinking a cup of tea is so relaxing. True tea (made from the Camella sinensisplant) contains L-theanine, an amino acid that promotes mental calmness.* (In fact, the tea plant was formerly called Thea sinensis!) Suntheanine® is a purified, clinically researched, and patented form of L-theanine supported by more than 50 studies demonstrating its safety and efficacy. It safely relaxes but won’t cause drowsiness.* Relaxes and promotes mental calmness* Promotes learning performance and concentration* Supports sleep quality* Won't cause drowsiness