L-Theanine and Caffeine: The Science Behind Calm, Focused Energy
The combination of caffeine and L-theanine is shown to enhance cognitive performance, increasing alertness and mood without the jitters associated with caffeine alone. Research indicates that L-theanine mitigates caffeine’s negative effects, such as anxiety and blood pressure spikes. However, findings from studies are limited to short-term use, lacking long-term data.