Breath alcohol measurements were then taken to explore the ability of any of these beverages to produce a measurable breath alcohol reading. Subjects each consumed between 24.6 and 32 oz of a particular energy drink. Each energy drink was tested with a single subject, and each was tested only a single time. Subjects were directed to complete consumption within 30 min, and total consumption was achieved for all subjects between
2 and 23 min, with median and average drinking times of 7 and 8 min, respectively.