very-low-calorie diets

ver·y-low-cal·or·ie di·ets

(VLCD) (ver'ē lō kal'ŏr-ē dī'ĕts)
Therapeutic diets used for weight loss in cases of morbid obesity, in which daily energy intake is less than 800 kcal.
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References in periodicals archive ?
Rapid weight loss for morbidly obese individuals has been demonstrated with the use of very-low-calorie diets (VLCDs).
Other studies have suggested that very-low-calorie diets (less than 800 kcal/day) may not be more effective than low-calorie diets (less than 1,200 kcal/day) over the long term.
Intensive, very-low-calorie diets are an appropriate method of weight loss and may be superior in maintaining weight loss, compared with more modest weight-loss programs, two researchers from the University of Kentucky said at the annual meeting of the American College of Nutrition.
In general, however, 48 randomized clinical trials have shown no greater long-term weight loss with very-low-calorie diets than with less restrictive regimens.
5,28,29) Very-low-calorie diets (400-500 kilocalories per day) may increase rates of weight loss initially, but at 1 year, results are similar to those of low-calorie diets (SOR: A).
The gallstones that developed in people on very-low-calorie diets were usually silent and did not produce any symptoms.
Very-low-calorie diets have recently been used in weight-control programs, but even people who need to lose weight for urgent medical reasons find these regimens difficult to follow--and must remain under medical supervision.
Very-low-calorie diets have been shown to effect substantial but transient weight loss, and the maintenance of weight loss remains a major challenge.

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