Low-carbohydrate diets boost visceral fat loss...
Research published in Nutrition and Metabolism shows that
over 70% of men lost more weight and fat on a low carbohydrate diet,
despite eating more calories.
Jeff Volek and colleagues, from the University of Connecticut,
also show that a low carbohydrate diet is much more effective in
losing fat from the stomach and chest.
Upper body fat carries "a greater health risk than fat stored
in other regions of the body," say the authors. They found
that fat loss in men was three-times greater in the trunk area (visceral
fat), when they were on a low-carbohydrate regime compared to the
low-fat diet.
Fifteen overweight or obese men, and thirteen women, were randomly
assigned to a very low carbohydrate diet or a low fat diet. After
fifty days, they were switched to the other diet. 11 of the 15 men
did better on the low carbohydrate diet, six lost greater than 10
pounds more on the low carbohydrate diet, and one subject lost almost
25 pounds more. Similar results were found for women although the
results were less dramatic.
Nearly all participants in the study (12 of 15 men and 12 of 13
women) lost more fat on their upper body on the low-carbohydrate
diet.
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Reference
Volek JS, Sharman MJ, Gómez AL, Judelson DA, Rubin MR, Watson
G, Sokmen B, Silvestre R, French DN, and Kraemer WJ. Comparison
of energy-restricted very low-carbohydrate and low-fat diets on
weight loss and body composition in overweight men and women. Nutrition
and Metabolism, 1, 12
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