The Nutrition Examination Research Digest (NERD) aims to provide rigorous, unbiased analysis of the latest and most important nutrition and supplementation studies. Click here to subscribe or login if already a subscriber .

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NERD Mini: The state of the evidence for caffeine’s effect on exercise performance

There's little doubt that caffeine boosts athletic performance. The question is: does it boost certain kinds of performance better than others?

What’s the optimal caffeine dose?

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What about optimal timing?

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What other areas concerning caffeine’s ergogenic effects need more research?

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Is coffee a decent way to take in caffeine to boost performance?

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Other Articles in Issue #56 (June 2019)