This tailored approach allows you to use both the tools of fasting and a low-carb diet to help you reconnect with the way your body was supposed to feel. The Cellular Renewal fasts in Week 3 allowed you to put some sustainably burning firewood on the fire. Week 4 is all about putting some clean kindling on top to see what the perfect combination is. Metabolic flexibility is about balance and the ability to burn both glucose and fat when you want to.
