These foods rev calorie burn

Carbs and starches are often thought of as empty calories, but a review published in the journal Nutrition Bulletin found that adding resistant starch (a type of fiber found in grains, bananas and potatoes) to a meal increased post-meal calorie expenditure by more than 70 percent for 3 hours. The study authors say resistant starch ferments into prebiotics, compounds that raise the number of calories the gut can break down during digestion. They advise aiming for 30 grams of resistant starch daily— the amount found in 2 cups of beans, 5 cups of rice or 4 cups of potatoes or yams.