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    Nootropics & Supplements

    Caffeine and Cognitive Performance: What It Really Does

    ByPeter Benson July 30, 2026October 19, 2026

    Caffeine reliably sharpens alertness and attention, not memory or reasoning. What the trials show on dose, sleep timing, tolerance and safety.

    Read More Caffeine and Cognitive Performance: What It Really DoesContinue

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