Assessment of Rehydration Solutions

Evaluating the effects of three different Liquid IV formulas on the Beverage Hydration Index, a well-accepted measure of hydration status following the consumption of different beverages

Maintaining adequate hydration is essential to optimal health, with hydration needs being greater for those who are exposed to extreme outdoor environments, and/or who exercise vigorously and for long durations. For example, individuals exercising in warm and humid environments can lose excessive amounts of fluid, along with necessary electrolytes (e.g., sodium, potassium, chloride), through sweating. This may cause dehydration and lead to fatigue, as well as impaired physical and mental performance. Continued exacerbation of this state can lead to potentially life-threatening medical emergencies.

Consumption of a variety of fluid types (e.g., milk, juice, water) has been used for decades to aid the hydration of athletes and others who engage in physically demanding tasks. Research in this area has led to the development of various sport drinks that have been specifically designed to support athlete hydration. Related to this, it is well-accepted that electrolyte replenishment is of importance, both during and following strenuous physical activity. In addition, small amounts of both amino acids and carbohydrates can prove helpful in aiding hydration.

Liquid IV is a company that specializes in oral rehydration formulas designed to improve hydration status. Investigators in the Center for Nutraceutical and Dietary Supplement Research recently completed an evaluation of a Liquid IV formula consumed at either 1, 2, or 3 servings per day and observed no health concerns, indicating relative safety of use. In a follow-up study, Rick Bloomer, dean and professor in the College of Health Sciences, and colleagues will evaluate the effects of the three different Liquid IV formulas on the Beverage Hydration Index (BHI)—a well-accepted measure of hydration status following the consumption of different beverages, as compared to water. In addition, fluid balance (the difference between the amount of fluid consumed and passed as urine), osmolality, specific gravity, and urinary sodium and potassium will be measured.

Data from this investigation should provide insight into the value of adding various nutrients to water and may help guide decisions as to which beverages may be best to consume, if hydration is the goal.

Healthy men and women are currently being enrolled into this study. Please contact Allyson Davis to learn more or to participate.