This is the fourth day of the Boise Experiment Ultimate Body Transformation. Still in the pre-workout stage, but the intensity is coming up. After day five of the warm-up (pre-workouts) we will begin Mike Mentzer HEAVY DUTY (tm) High-intensity workouts.
As the days are going by, the weight is increasing and so is the fatigue and body soreness. It is draining the energy so much that it is leading to hypoglycemia. So a change in diet is required to accommodate the deficit. This and much more on day 4. Check this video to know the full details.