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Does the menstrual cycle affect caffeine’s performance-enhancing properties?

There's reason to suspect that caffeine's aerobic-boosting effects could vary depending on menstrual cycle phase. This is the first trial to directly explore the issue by comparing caffeine's effects during three different menstrual cycle phases.

Study under review: Ergogenic effects of caffeine on peak aerobic cycling power during the menstrual cycle

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Frequently asked questions

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