| Weight loss is achieved by altering the energy balance equationeither decreasing caloric intake or increasing physical activity. Long-term weight management is difficult on a lowcarbohydrate diet because of the limited food choices.
In addition, some products are made low carb by substituting wheat protein or soy and nut flours. These substitutions are high in protein and fat, resulting in a similar, or even higher, caloric content than their high carb counterparts. They also often cost more.
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