Eleven healthy volunteers ( 24-30 years-old ) were randomized in a crossover fashion to intake 400 mL ( 4h before ) and 200 mL ( 2h before ) of a beverage containing either 12.5 % maltodextrin ( carbohydrate group ) or 12.5 % maltodextrin plus 15 g of glutamine ( glutamine group ) in two different moments 7 days apart .