Since most people need to consume between 1,600 and 3,000 calories to maintain their weight, following a 1,200 calorie diet plan can result in fast weight loss — but it's also highly ...

Emma Forrest consumes 3,000 ... the 3,000 calories a day she is drinking. She has maintained her nine-stone weight, but not in the most sensible fashion. She said: "I only have one meal a day.