KetoLean Ultra When you're exercising or have gone a few hours without eating, your body needs an extra shot of energy. Your body uses carbohydrates to create glucose, which is the primary energy source for most of the cells in your body, including those in your brain and central nervous system. With this diet, you'll consume high levels of fat, moderate levels of protein, and low levels of carbohydrates. Both targeted and cyclical KetoLean Ultra diets are beloved by fitness enthusiasts who follow the KetoLean Ultra way of eating. There have been scientific results that low-carb diets Atkins created as KetoLean Ultra, without having to restrict calories. As you lower the number of carbs you eat, you'll replace them with healthy fats, such as coconut oil, avocados, olive oil, and flaxseed oil.