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Coconut Water: A Sports Drink Alternative?


ABSTRACT: Coconut water is used as an alternative to conventional sports drinks for hydration during endurance cycling; however, evidence supporting its use is limited. This study determined if drinking coconut water compared to a sports drink altered cycling performance and physiology. In a randomized crossover trial, 19 experienced male (n = 15) and female (n = 4) cyclists (age 30 ± 9 years, body mass 79 ± 11 kg, V̇O2 peak 55 ± 8 mL·kg-1·min-1) completed two experimental trials, consuming either a commercially available sports drink or iso-calorific coconut water during 90 min of sub-maximal cycling at 70% of their peak power output, followed by a simulated, variable gradient, 20 km time trial. Blood glucose, lactate, sweat loss, and heart rate were monitored throughout the 90 min of sub-maximal cycling, as well as the time trial performance (seconds) and average power (watts). A repeated measures analysis of variance and effect sizes (Cohen's d) analysis were applied. There were no significant differences (p ≥ 0.05) between the treatments for any of the measured physiological or performance variables. Additionally, the effect size analysis showed only trivial (d ≤ 0.2) differences between the treatments for all the measured variables, except blood glucose, which was lower in the coconut water trial compared to the sports drink trial (d = 0.31). Consuming coconut water had a similar effect on the cycling time trial performance and the physiological responses to consuming a commercially available sports drink.

SUBMITTER: O'Brien BJ 

PROVIDER: S-EPMC10534364 | biostudies-literature | 2023 Sep

REPOSITORIES: biostudies-literature

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Coconut Water: A Sports Drink Alternative?

O'Brien Brendan J BJ   Bell Leo R LR   Hennessy Declan D   Denham Joshua J   Paton Carl D CD  

Sports (Basel, Switzerland) 20230914 9


Coconut water is used as an alternative to conventional sports drinks for hydration during endurance cycling; however, evidence supporting its use is limited. This study determined if drinking coconut water compared to a sports drink altered cycling performance and physiology. In a randomized crossover trial, 19 experienced male (<i>n</i> = 15) and female (<i>n</i> = 4) cyclists (age 30 ± 9 years, body mass 79 ± 11 kg, V̇O<sub>2 peak</sub> 55 ± 8 mL·kg<sup>-1</sup>·min<sup>-1</sup>) completed tw  ...[more]

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