Effects of glycemic index meal and CHO-electrolyte drink on cytokine response and run performance in endurance athletes.

Objective: To examine the effect of the glycemic index (GI) of a pre-exercise (PRE-ex) meal on plasma cytokine responses and endurance performance when carbohydrate-electrolyte (CHO-E) drink was consumed during exercise.

Methods: Eight endurance-trained male runners (age: 28.6+/-2.