found: Work cat.: Philabaum, J.D. Long term effects of very low calorie diets on fat distribution, 1997: p. 3 (Fifteen years ago the practice of using very low calorie diets (VLCD) consisting of 500-800 calories per day to treat obesity became popular)
found: Very low-calorie diets, 1995.
found: WebMD, Oct. 11, 2006(Many VLCDs are commercially prepared formulas of 800 calories or less)
found: WIN, Weight-control Information Network WWW site, Oct. 11, 2006(A very low-calorie diet (VLCD) is a doctor-supervised diet that typically uses commercially prepared formulas to promote rapid weight loss in patients who are obese ... People on a VLCD consume about 800 calories per day or less)