Food scientist Bryan Quoc Le understands the science behind both beverages, and he has chosen matcha. “The combination of ...

Discover how caffeine and L-theanine significantly improved focus and executive dysfunction in a 35-year-old male with ADHD. Learn about this integrative approach to managing ADHD symptoms through ...

This ancient beverage does more than hydrate—it’s packed with antioxidants and compounds that boost your health, focus, and ...

“I love that they’re sugar-free. The combination of caffeine, L-theanine and B vitamins works well to keep me energized without feeling jittery or crashing later. And they’re convenient to c ...

Another study examined the interaction between L-theanine and caffeine, particularly in the context of sleep quality. The findings suggested that L-theanine can counteract the negative effects of ...

The combination of caffeine and L-theanine in green tea has a synergistic effect on brain function, improving focus, lifting ...

It helps give tea its distinct caramel flavor and counteracts its caffeine's bitterness ... evidence to prove it. A combination study compared the effects of L-theanine alone to a combination ...

There’s evidence the effects of caffeine in a cup of tea are enhanced by an amino acid it contains, called L-theanine, if it is drunk regularly. The research finds “L-theanine may interact ...