The daily calorie intake for keto is about 80% fat, with 20-50 grams of net carbs per day. For intermittent fasting, popular methods include the 16/8 method with a 16-hour fast and 8-hour eating window, the 20/4 method with a 20-hour fast and 4-hour eating window, and the 14/10 method with a 14-hour fast and 10-hour eating window.