Drinking green tea with L-theanine can cause calm alertness because the caffeine in the tea wakes you up, while L-theanine promotes relaxation.

Still, L-theanine supplementation on its own helps you fall asleep faster. 3 L-theanine acts on neurons to influence brain wave activity, encouraging relaxation and reducing stress and anxiety. It ...

Sleep is essential for health. According to one estimate, roughly 56% of people in the United States experience sleep issues, such as difficulty falling asleep or decreased sleep duration. Poor sleep ...

Who wouldn't want to take a pill and quickly experience less stress and anxiety without unpleasant side effects? It comes as no surprise then that when people on social media started claiming ...

L-theanine is an amino acid naturally found in tea leaves. First linked to tea’s calming effects in the 1940s, it is now sold as a supplement for stress relief, focus and better sleep. Research into ...

L-theanine may promote relaxation, focus and attention, and help relieve stress. Food sources of L-theanine include matcha, some mushrooms and green, black and white teas. L-theanine should not be ...

L‑theanine, a non‑protein amino acid predominantly abundant in green‑tea leaves (Camellia sinensis), has been widely studied for its impact on cognition, anxiety, mood, and relaxation. A typical 250 ...

One of the many fascinating things about green tea is that it contains a special dual power: It makes you feel alert and energetic, yet also calm and relaxed at the same time. This special power comes ...