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L-theanine
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L-theanine
L-theanine is an amino acid naturally found in green tea that promotes relaxation without causing drowsiness.
Does it really work?
Yes. Studies show L-theanine increases alpha brain waves, supporting calm focus, reducing anxiety, and improving sleep quality. It’s often combined with caffeine for smoother alertness.
Can I get enough in real food?
Yes. Green tea is the main dietary source, but the amount is much lower than what’s used in supplements.
Do I need a supplement for everyday health?
Not essential, but for people with racing thoughts, anxiety, or sleep troubles, L-theanine can be a gentle, effective aid.
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