GOT L-THEANINE ON THE BRAIN?
Men's Health US|May - June 2024
Supplement makers claim this amino acid focuses the mind and calms the nerves. We have questions.
CORI RITCHEY
GOT L-THEANINE ON THE BRAIN?

THE CLAIMS

Supplement companies say that their L-theanine pills and powders can help you focus, ease your stress, boost your immunity, and deepen your sleep. Plus, it's an amino acid found naturally in tea-producing plants and some mushrooms. You know, healthy things.

WHAT'S ACTUALLY TRUE

This story is from the May - June 2024 edition of Men's Health US.

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This story is from the May - June 2024 edition of Men's Health US.

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