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Is caffeine banned in sport? WADA and HASTA explained
Caffeine isn't on WADA's prohibited list, but supplements can still carry doping risk. What athletes need to know about caffeine, WADA and HASTA testing.
Learn moreWhen to take caffeine before training: a simple timing guide
The best time to take caffeine before training depends on the source. A simple timing and dose guide for gum, powder and coffee.
Learn moreHydration and electrolytes for exercise: a simple guide
How much should you drink before, during and after exercise? How to work out your sweat rate, why electrolytes matter as much as water, and how to choose your Zuum.
Learn moreCaffeine and electrolytes: why they work better together for exercise
Does caffeine dehydrate you? Research says no. Here's why caffeine and electrolytes work better together for exercise, and how Zuum Performance Energy Powder combines them.
Learn moreCaffeine gum and exercise performance: what 32 studies show
A 2024 review of 32 studies found caffeine gum can improve endurance, repeated sprints and leg strength. Here's what the research says, and how Zuum Energy Gum compares on dose and timing.
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