As I discussed in my article about intermittent fasting, reducing your caloric intake has only limited benefits — assuming, of course, you're not feeding your body more calories than it needs.There are also limited, and perhaps zero, benefits to depriving your body of calories while on a ketogenic diet. Plus, starving yourself is not sustainable. Both keto and intermittent fasting are.There is no need to count calories while on keto. Just eat when you're hungry and stop when you're satisfied.