The document discusses the ketogenic diet, which provides energy from fat when glucose is depleted by keeping carbohydrate intake low and making fat the primary food source. The diet consists of over 80% fat and needs to be tailored to each individual as it may not work for all children. A sample ketogenic diet meal plan is provided consisting of an egg and ham omelet for breakfast, hamburgers with cheese and bacon for lunch, and sirloin steak with brussels sprouts for dinner, totaling 1604 calories, 95g fat, 16g carbohydrates and 135g protein.