|Trial Design||Double blind|
|Trial Length||24 hours|
|Number of Subjects||10|
|Age Range||18-29, 30-44|
|Body Types||Untrained, Average|
An increase in VO2 was noted at rest, but not during exercise, with 5mg/kg of an acute dose of caffeine with similar trends on blood lactate (increase at rest, none during exercise) with no detectable influence on heart rate at ventilatory threshold, rest, or max heart rate.