Built on Research

Research suggests that combining L-theanine with caffeine may support attention, speed, and accuracy during cognitively demanding tasks.

Research suggests that low to moderate caffeine intake may support attention, speed, and accuracy during exercise.

Research suggests that caffeine supplementation may support muscle endurance and strength performance in resistance training.

Research suggests that acute caffeine intake may support certain aspects of physical performance in team-sport settings.

Research suggests that L-theanine may support cognitive performance and stress-related responses in healthy adults.

Research suggests that L-theanine intake may influence physiological responses during acute stress tasks.

Large-scale observational research has examined the relationship between caffeine intake and mood-related outcomes in adult populations.