These drinks are calorie free, which technically should help people lose weight and prevent sugar-related diseases like metabolic syndrome and diabetes. However, the evidence for these beverages having any use is completely nonexistent.
The classic approach to performing supersets is to work two opposing muscle groups back to back without any rest between sets. This technique is usually applied to antagonistic muscle groups such as biceps and triceps, chest and back, quads and hamstrings. An example of a superset would be one set of biceps curls immediately followed by a set of triceps pushdowns.
The best schedule would be to perform M,T,TR,F in the order they are listed, since most people like to take it easy on the weekends. Supersets are utilized for this firefighter workout program to spur muscle growth, burn fat, and incorporate cardio throughout the firefighter workout.