"Beverage Hydration Index" of Commercial Therapeutic Beverages
| Status: | Completed |
|---|---|
| Conditions: | Healthy Studies |
| Therapuetic Areas: | Other |
| Healthy: | No |
| Age Range: | 18 - 35 |
| Updated: | 4/17/2018 |
| Start Date: | February 17, 2017 |
| End Date: | April 14, 2017 |
Beverage Hydration Index of Three Commercial Oral Rehydration Therapy ORT Beverages
The "beverage hydration index" (BHI) assesses the hydration potential of any consumable fluid
relative to water. The BHI is a relatively new metric. Our purpose was to assess the BHI of
beverages never previously tested, including an amino acid-based oral rehydration solution
(AA-ORS), a glucose-containing ORS (G-ORS) and a sports drink (SD) compared to water
(control).
relative to water. The BHI is a relatively new metric. Our purpose was to assess the BHI of
beverages never previously tested, including an amino acid-based oral rehydration solution
(AA-ORS), a glucose-containing ORS (G-ORS) and a sports drink (SD) compared to water
(control).
The "Beverage Hydration Index" (BHI) was created to assess the degree to which beverages
"hydrate", by measuring fluid retention after ingesting a 1 liter bolus and comparing it to
water. Drinks with carbohydrates and electrolytes would traditionally be expected to score
higher on the BHI due to glucose-sodium cotransport at the gut and osmolality approaching
isotonicity with blood. One recent study reported that an oral rehydration solution (ORS)
scored better than water, but a "sports drink" did not. No "optimal" BHI beverage composition
has been described, nor has an optimal osmolality. Recently, a hypotonic amino acid-based
rehydration beverage was developed to take advantage of amino acid-sodium cotransport, thus
obviating the need for carbohydrate. However, the BHI of this beverage has not yet been
assessed. The purpose of this investigation was to assess the hydration potential of this
novel beverage in comparison to a commercially available carbohydrate-containing sports drink
and oral rehydration solution.
"hydrate", by measuring fluid retention after ingesting a 1 liter bolus and comparing it to
water. Drinks with carbohydrates and electrolytes would traditionally be expected to score
higher on the BHI due to glucose-sodium cotransport at the gut and osmolality approaching
isotonicity with blood. One recent study reported that an oral rehydration solution (ORS)
scored better than water, but a "sports drink" did not. No "optimal" BHI beverage composition
has been described, nor has an optimal osmolality. Recently, a hypotonic amino acid-based
rehydration beverage was developed to take advantage of amino acid-sodium cotransport, thus
obviating the need for carbohydrate. However, the BHI of this beverage has not yet been
assessed. The purpose of this investigation was to assess the hydration potential of this
novel beverage in comparison to a commercially available carbohydrate-containing sports drink
and oral rehydration solution.
Inclusion Criteria:
- Healthy male or female
- Aged 18-35
- BMI 18-27 kg/m2
- No known cardiovascular, renal or metabolic disease
- Moderately active
- Moderate alcohol use
Exclusion Criteria:
- Overweight or obese (BMI >27 kg/m2)
- Competitive athletes during competition season
- Current or former cardiovascular, renal or metabolic disease
- Habitual consumption of alcohol (>21 units/week) or regular (>1/week) high (10
units) intake*
- History of psychiatric illness
- Actively seeking to gain or lose weight
- Currently taking prescribed medication
- Example, a 750 ml bottle of wine at 12% ABV contains 0.750 Liters * 12 = 9
units
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