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Table 1 Energy content and composition of placebo and sports drink

From: Effects of a carbohydrate-electrolyte solution on cognitive performance following exercise-induced hyperthermia in humans

Drink contents Placebo Sports drink
Energy value (kcal/L)* 6 270
Fat (g/L) 0 0
Protein (g/L) 0 0
Carbohydrate (g/L) 0 68
Sucrose (g/L) 0 48
Glucose (g/L) 0 20
Osmolality (mOsmol/kg)* 29 ± 1 349 ± 11
Sodium (mmol/L) 0 18 ± 3
Potassium (mmol/L) 0 3 ± 0
  1. *There may be trace amounts of sugars present in the placebo drink which could not be detected by our analysis, thus explaining the energy and osmolality values despite the absence of carbohydrates.