Nine men underwent three sessions of exercise at @ % VO@peak until exhaustion as follows : @ ) hypoxia with a placebo ; @ ) hypoxia with @ % maltodextrin ( @ mL/@ min ) during exercise and for @ h after ; and @ ) hypoxia after @ d of glutamine supplementation ( @ g/d ) and supplementation with @ % maltodextrin ( @ mL/@ min ) during exercise and for @ h after .