Practically every weight loss website out there has at least one (or one dozen) 1,200-calorie-a-day diet option. Even the National Institutes of Health has published a 1,200-calorie-a-day meal plan.

You've likely heard that low-calorie diets are a way to lose weight quickly, and one of the most popular forms of that is the 1,200-calorie meal plan. When following this meal plan, you eat no more ...

This involves replacing all foods with specially formulated products such as soups, shakes and cereal bars, providing between 800–1200 calories per day. Only follow a very low calorie diet if a ...