Does the abc [ana boot camp] diet work?

Danger ! The ABC Diet or Ana Boot Camp Diet lasts for 50 days w calories ranging from 0 to 500 per day except 1 day at 800 calories. It is essentially a starvation diet which rotates the # of calories eaten per day. It is predictable that high % muscle mass will be lost. This can cause a lower metabolic rate. That in turn causes you to burn fewer calories & that can lead to weight gain. This is dangerous.