High protein diet causes 7.7 lbs more weight loss than medium protein diet

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Friday, December 08, 2006 12:36 am Email this article
A high protein, reduced fat diet causes 7.7 pounds more weight loss than a medium protein, reduced fat diet according to study from obesity researcher Arnie Astrup and others in Denmark. Study Description

50 people, 19-55 years-old, 15% or 25% protein and 30% fat

Fifty overweight and obese patients, 19- to 55-years-old, with a body mass index (BMI) of 26-34, were assigned to eat either a high protein (25 percent protein), reduced fat (30 percent fat) diet or a medium protein (12 percent protein), reduced fat (30 percent fat) diet.

Each group contained 25 people, 6 men and 19 women.

 

6 Month Weight Loss

6 month weight loss, high protein vs medium protein : 20.7 lbs vs 11.8 lbs

After six months, the high protein diet group had lost an average of 20.7 pounds in six months compared to 11.8 pounds for the medium protein group.

 

One Year Weight Loss

One Year weight loss, high protein vs medium protein : 13.6 lbs vs 9.5 lbs

After one year, the high protein group had lost 4.1 pounds more than the medium protein group—13.6 pounds versus 9.5 pounds.

 

Greater Loss of Belly Fat

High protein group lost twice as much belly fat

After one year, the high protein group had lost twice as much belly fat as the medium protein group.

The high protein has lost 18 percent of their belly fat compared to 8 percent for the medium protein group.

 

One-sixth lost 22 pounds

One in six of high protein group maintained weight loss of 22 lbs for two years

After one year and two years, one out of six patients in the high protein group had maintained a weight loss of at least 22 pounds, whereas no on in the medium protein group had lost this much weight.

REFERENCE

Due A, Toubro S, Skov A, Astrup A. Effect of normal-fat diets, either medium or high in protein, on body weight in overweight subjects: A randomised 1-year trial. Int J Obes Relat Metab Disord. 2004 Oct, 28(10):1283-90.

AUTHOR’S CONTACT INFORMATION

Dr. Arnie Astrup
Department of Human Nutrition
Centre for Advanced Food Studies
The Royal Veterinary and Agricultural University
Rolighedsvej 30, 1958 Frederiksberg C, Denmark
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