Fitties Journal

L-Theanine Benefits: Calm, Focus, and Sleep, Explained

June 30, 2026Robert Martin

L-theanine is an amino acid found almost exclusively in tea leaves, and it is best known for one thing: it promotes a calm, relaxed state without making you drowsy. That...

Woman sleeping peacefully in bed in a dark, comfortable bedroom

Why Sleep Is the Most Underrated Performance Tool

February 28, 2026Robert Martin

Sleep isn't a passive shutdown. It's when your body repairs, your brain consolidates, and your hormones recalibrate. Here's the science behind sleep quality and the nutritional factors that support it.

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