According to new research, people on low-carb diets lose weight in part because they get less fructose, a type of sugar that can be made into body fat quickly.
The study shows that the type of carbs someone eats can be as important as the amount. Although fructose is naturally found in high levels in fruit, it is also added to many processed foods, especially in the form of high-fructose corn syrup.
For the study, six healthy people performed three different tests involving drinking various mixes of glucose and fructose. Researchers found that fructose turned into body fat much more quickly, and that having it for breakfast changed how the body handled fats at lunch.
4 Center for Human Nutrition, University of Texas Southwestern Medical Center, Dallas, TX 75390-9052; 5 Department of Biomedical Engineering, University of Texas at Arlington, Arlington, TX 76019-0018; and 6 Department of Food Science and Nutrition, University of Minnesota, St. Paul, MN 55108
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