rct
    2021
    High Quality

    The Beverage Hydration Index: Influence of Electrolytes, Carbohydrate and Protein

    Sollanek KJ, Kenefick RW

    Published in Nutrients

    Methodology

    Randomized crossover trial testing beverages varying in electrolyte, carbohydrate and protein content on fluid retention.

    Key Findings

    Sodium content was the dominant driver of improved fluid retention; carbohydrate and protein added little.

    Conclusions

    Electrolyte (sodium) provision, not macronutrients, best explains superior hydration retention.

    Limitations

    Small sample, laboratory conditions, no exercise heat stress.

    Outcomes Measured

    Hydration Support

    The Beverage Hydration Index: Influence of Electrolytes, Carbohydrate and Protein

    Skin Hydration

    Sodium content was the dominant driver of improved fluid retention; carbohydrate and protein added little.

    Study Details

    Year:2021
    Duration:1 weeks
    Quality Score:7/10

    Access Study

    View on DOIView on PubMedOriginal Source

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