A randomized trial to assess the potential of different beverages to affect hydration status: development of a beverage hydration index

Maughan, Ronald J.; Watson, Phillip; Cordery, Philip; Walsh, Neil P.; Oliver, Samuel J.; Dolci, Alberto; Rodríguez-Sánchez, Nidia; Galloway, Stuart D. R.

doi:10.3945/ajcn.115.114769

Cited by 95 publications

(173 citation statements)

References 17 publications

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“…Drinks providing fluid with a hydrating effect on our bodies include water, sparkling water, flavored water, hot or cold tea, coffee, milk and milky drinks, fruit juices, soups, sports or soft drinks and smoothies [294]. There is a common myth, which should be dispelled, that in order to be hydrated we need to drink plain water e this is not the case.…”

Section: Commentarymentioning

confidence: 99%

“…Drinks should be chosen according to the preferences of the older person, as well as the drinks' fluid and nutritional content e so that milky drinks, fruit juices and smoothies, high calorie drinks and fortified drinks all have particular benefits in specific circumstances. Despite worries about "dehydrating" effects of caffeine and alcohol there is good evidence that coffee does not cause dehydration [293,294], and nor do alcoholic drinks of up to 4% alcohol [294]. The effect of alcoholic drinks with greater than 4% alcoholic content on hydration status is not yet clear, and clinical studies are lacking (further research is needed).…”

Section: Commentarymentioning

confidence: 99%

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ESPEN guideline on clinical nutrition and hydration in geriatrics

et al. 2019

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Section: Commentarymentioning

confidence: 99%

Section: Commentarymentioning

confidence: 99%

ESPEN guideline on clinical nutrition and hydration in geriatrics

et al. 2019

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“…For all track-and-field athletes, optimal rehydration may best be sustained between training days by behaviorallydriven ingestion of solid food and water (Maughan et al, 1996). However, between training sessions or events, beverages that contain macronutrients or electrolytes are better retained than water and should be considered (Maughan et al, 2016(Maughan et al, , 2018Shirreffs et al, 1996;Sollanek et al, 2018).…”

Section: Basic Rehydration Sciencementioning

confidence: 99%

Fluid Needs for Training, Competition, and Recovery in Track-and-Field Athletes

Casa

Cheuvront

Galloway

et al. 2019

International Journal of Sport Nutrition and Exercise Metabolism

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The 2019 International Amateur Athletics Federation Track-and-Field World Championships will take place in Qatar in the Middle East. The 2020 Summer Olympics will take place in Tokyo, Japan. It is quite likely that these events may set the record for hottest competitions in the recorded history of both the Track-and-Field World Championships and Olympic Games. Given the extreme heat in which track-and-field athletes will need to train and compete for these games, the importance of hydration is amplified more than in previous years. The diverse nature of track-and-field events, training programs, and individuality of athletes taking part inevitably means that fluid needs will be highly variable. Track-and-field events can be classified as low, moderate, or high risk for dehydration based on typical training and competition scenarios, fluid availability, and anticipated sweat losses. This paper reviews the risks of dehydration and potential consequences to performance in track-and-field events. The authors also discuss strategies for mitigating the risk of dehydration.

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“…During the acclimatization period, recovery drinks should include sodium to compensate for the sweat losses, whilst maintaining the usual requirements in carbohydrates and protein to optimize recovery (Racinais et al, 2015a). In this context, milk is a suitable recovery drink covering both the exercise recovery and re-hydration needs (Maughan et al, 2016).…”

Section: Hydration For Performance and Recoverymentioning

confidence: 99%

Translating Science Into Practice: The Perspective of the Doha 2019 IAAF World Championships in the Heat

Racinais

Casa

Brocherie

et al. 2019

Front. Sports Act. Living

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Hot and humid ambient conditions may play a major role during the endurance events of the 2019 IAAF world championships, the 2020 summer Olympics and many other sports events. Here, various countermeasures with scientific evidence are put in perspective of their practical application. This manuscript is not a comprehensive review, but rather a set of applied recommendations built upon sound scientific reasoning and experience with elite athletes. The primary recommendation for an athlete who will be competing in the heat, will be to train in the heat. This acclimatization phase should last for 2 weeks and be programmed to accommodate the taper and travel requirements. Despite extensive laboratory-based research, hydration strategies within athletics are generally dictated by the race characteristics. The main opportunities for hydration are during the preparation and recovery phases. In competition, depending on thirst, feeling, and energy requirements, water may be ingested or poured. The athletes should also adapt their warm-up routines to the environmental conditions, as it may do more harm than good. Avoiding harm includes limiting unnecessary heat exposure before the event, warming-up with cooling aids such as ice-vest or cold/iced drinks, and avoiding clothing or accessories limiting sweat evaporation. From a medical perspective, exertional heat stroke should be considered immediately when an athlete collapses or struggles during exercise in the heat with central nervous system disorders. Once a rectal temperature >40.5 • C is confirmed, cooling (via cold water immersion) should be undertaken as soon as possible (cool first/transport second).

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A randomized trial to assess the potential of different beverages to affect hydration status: development of a beverage hydration index

Abstract: BHI may be a useful measure to identify the short-term hydration potential of different beverages when ingested in a euhydrated state. This trial was registered at www.isrctn.com as ISRCTN13014105.

Cited by 95 publications

References 17 publications

ESPEN guideline on clinical nutrition and hydration in geriatrics

ESPEN guideline on clinical nutrition and hydration in geriatrics

Fluid Needs for Training, Competition, and Recovery in Track-and-Field Athletes

Translating Science Into Practice: The Perspective of the Doha 2019 IAAF World Championships in the Heat

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