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People given 500 calorie liquid diet for 6-10 weeks maintained weight loss of 31 lbs after one year
Saturday, October 20, 2012 12:13 pm Email this article
People given a very-low-calore diet for 1.5 to 2.5 months (6-10 weeks) consisting of a 500 calories per day liquid diet followed by a weight maintenance diet plus exercise, maintained an average weight loss of 30.6 lbs after one year according to a new study from Sweden.
This weight loss was 14% of their original body weight.
Weight Maintenance Phase
Weight loss phase for 2-3 months followed by 9 months of weight maintenance
“After the weight-loss phase, all 3 groups entered the same 9-month weight-maintenance program, which included an exercise program (circuit training, with a mix of aerobic and strength- training workout stations, at the center 2–3 times per week for 30 to 45 min; physically active transport to and from work; and use of a Yamax SW-200 pedometer to encourage walking), dietary advice, and behavioral changes,” the paper notes.
“Dietary advice included the use of restricted portions sizes and consumption of a diet rich in protein, with a low glycemic index, and with a low overall en- ergy density (eg, consumption of vegetables and water as opposed to caloric beverages).”
Subjects: 3773 people
The study included 3,773 obese people with an average body mass index (BMI) of 34 and an average age of 45-years-old.
Eighty percent (80%) were women, and 20% were men.
Very Low Calorie Diet: Liquid diet of 500 calories per day
The very-low-calorie diet given for 1.5 to 2.5 months consisted of a liquid-based formula administered by a commercial weight loss program in Sweden called Itrim International.
Each sachet contained 125 calories consisting of 13 grams of protein, 15 grams of carbohydrates, 2 grams of fat and 3 grams of fiber.
This product is the sole-source very-low-calorie diet approved by the Swedish National Food Agency.
Dropouts: 18% dropped out of the study
Only 18% of the subjects dropped out of the one-year study before completion.
Hemmingsson E, Johansson K, Eriksson J, Sundstrom J, Neovius M, and Marcus C. Weight loss and dropout during a commercial weight-loss program including a very-low-calorie diet, a low-calorie diet, or restricted normal food: observational cohort study. Am J Clin Nutr 2012; 953-961.
Author’s Contact Info
Karolinska University Hospital Obesity Center
Department of Medicine Obesity Center
Norra Stationsgatan 93,
114 64 Stockholm, Sweden
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