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 restrictive ...

You don’t have to focus on calorie ... reduced-carb diet actually look like? There are many ways to do it. Here's what to ...

This low-calorie, low-carb commercial diet plan offers fast weight loss overseen by a health care professional. The Latest Extreme diets are restrictive eating plans that severely limit calories ...