Theanineamino acid
Theanine is an amino acid primarily found in green and black tea leaves that helps promote relaxation without causing drowsiness. It is frequently used to enhance mental focus, support cognitive function, and reduce the impact of daily stress.
Good for
Cognitive SupportHigh effectPromotes a state of 'calm focus' by increasing alpha brain waves, without causing drowsiness.
Mental FocusHigh effectPromotes a state of 'calm alertness' by increasing alpha brain waves. It enhances focus and attention, especially when combined with caffeine.
Productivity BoostHigh effectPromotes a state of calm, focused alertness, often used to smooth out the jittery effects of caffeine.
Sleep SupportHigh effectMay help some aspects of relaxation and perceived sleep, although findings are not consistent.
Stress ReliefHigh effectPromotes a state of 'alert calm' by increasing alpha brain waves, ideal for reducing acute stress without causing drowsiness.
Brain HealthModerate effectPromotes a state of calm, focused alertness by increasing alpha brain waves.
EnergySituational effectPromotes a state of calm, focused alertness without drowsiness. When paired with caffeine, it enhances cognitive function while mitigating the jitters, leading to 'clean' energy.
Mood SupportSituational effectPromotes a state of calm, alert relaxation by increasing alpha brain waves and GABA levels; highly effective for managing acute stress and anxiety.
Weight LossSituational effectSynergizes with caffeine to provide smooth energy and focus, while reducing stress and potential cravings.