Now known as the 1:1 Diet, the Cambridge Diet kicks off with a 800-calorie ... relatively extreme weight-loss plan works by putting its participants into a very large calorie deficit,' says ...

Weight loss phase: You eat a very low-calorie diet, usually 500 to 800 calories per day ... Talk to your doctor before trying any new diet plan to make sure it’s safe for you.

New year, new diet resolutions ... Before his weight loss, Stoler — who is now a health coach — said he’d start most days with an 800-calorie chocolate peanut butter smoothie that ...