If you really want to know how to do this, you should first buy the book that explains whatever type of low carb you are interesting in doing, either Dr. Atkins Dandr or South Beach or whatever, because if you don't do it properly it probably won't work!. If you want to check it out in the meantime you could go to the Atkins website or check on the righthand side above here, on what low carb plan is right for me!