A systematic review and meta-analysis of 24 randomized trials involving 225 adults found no clear performance improvement from drinking during exercise compared with drinking little or nothing, according to the findings published in Frontiers in Nutrition. Participants in the trials exercised continuously for at least 60 minutes, the report stated.
The review measured time-trial completion, work completed within a set time, heart rate, and core temperature. Researchers pooled results from trials that each tested different hydration strategies rather than testing all strategies in one large group, according to the report.
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