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Woman pouring a sachet of Zuum Energy Powder into a water bottle

Why you crash at 3pm (and how to beat the afternoon slump)

Pack of Zuum Everyday Energy Gum in Cool Mint

Caffeine for studying: how much, when, and when to stop

Can caffeine help you study? What the research says about dose, timing and sleep, plus a simple caffeine plan for study sessions and exam week.

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Smiling man holding packs of Zuum Everyday Energy Gum

Low dose caffeine and focus: why a little goes a long way

Research shows caffeine doses as low as 12.5mg can sharpen focus and reaction time, and bigger doses add surprisingly little. Here's what the science says, and how Zuum Everyday Energy Gum fits in.

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