Low Calorie Diets have risen in popularity in the past 20 years because of the rise in obesity in the USA. Obesity affects more than 30 percent of U.S. adults, and is fuelling an industry dedicated to low-calorie foods and drinks, diet and slimming aids. that’s over 60 million people, are obese.
A low calorie diet is one that restricts the amount of calories you eat in any given day to 1500 or less. Low calorie diets are not to be mistaken with Very Low Calorie Diets (VLCDs) which are commercially prepared formulas, such as meal replacement shakes and soups of about 800 calories that replace the entire usual food intake for several weeks or months.