Caffeine & L-Theanine is an energy & motivation formulation from NeuroActive. A synergistic combination of ingredients that works together to give you that needed boost. L-Theanine is an amino acid commonly found in green tea, used to lower stress and elevate mood. Caffeine – a natural ingredient that is used for energy, focus, and alertness. The caffeine provides motivation which is smoothed over the L-Theanine. The result is a relaxed and alert state that is ideal for productive, focused activity; without caffeine jitters or crashes.