Extra Burn Keto To start a keto diet, the single thing that you really want to do is change the food sources that you are eating. Your dinners and treats should be high in fat and as low-carb as could be anticipated. With time, this causes your body to enter a metabolic state called ketosis. In ketosis, your body gauges set aside fat for energy rather than carbs like it dependably would. That is the explanation people see such amazing results from it!