T Nation

CBL Prep Phase


Hey for all my back loaders out there do I have to do the prep phase. I know in the book it does say it's optional but I was just wondering if in the long run would it really make a difference if I did the prep phase or not?


I haven't done CBL but did do a CKG (basically similar to carb nite).

Kiefer says the reason for the prep phase is to prime the body for using fat as a fuel.

With my experience on a CKG, my energy levels were completely different from day 1-2-3 cold turkey no carbs and after staying the course for one or two weeks. There was an clear and obvious change in how many body was managing its systems.

I would follow the book and his reasoning.


Follow the instructions.


alright will do.