L-theanine Benefits - Sources


A unique amino acid found in green tea leaves, on it's own, L-theanine is a fantastic nootropic that promotes a calm, focused, restful state by increasing levels of GABA. But when combined with caffeine… There’s a pronounced synergistic effect. This means you experience heightened focus, awareness, and energy, as well as reduced stress, healthy vascular function and improved mental endurance at higher levels


Neuroprotective attributes of L-theanine.

The effect of L-theanine supplementation on the immune system of athletes exposed to strenuous physical exercise.

Report: How L-Theanine will change your morning coffee forever

L-Theanine and Caffeine in Combination Affect Human Cognition

L-Theanine and Caffeine, the best combination for energy