Reboot your Body

Hello everyone in the fitness world! I hope you are all doing well. I am thinking about trying a program for a week to reboot my body. What are your thoughts on that and what methods have you tried and worked? Here is the website with the 7 day plan I am thinking about trying.

http://health-heaven.tumblr.com/post/17089615944/what-do-you-think-of-gms-diet