Low-Glycemic Index Foods Rev Up Energy Levels

Consuming low-glycemic index foods may help boost energy levels and maintain bodyweight. The glycemic index is a measure of how fast a food increases blood sugar. Simple, refined carbs increase blood sugar quickly followed by rapid decreases, which can have a “yo-yo” effect on energy levels— according to the Harvard Women’s Health Watch. Consuming complex carbs results in a slower and more sustained increase in blood sugar, which helps maintain energy levels. Examples of low-glycemic index foods include 100 percent stone-ground whole wheat, oatmeal, oat bran, muesli, pasta, converted rice, corn, beans, apples, oranges, melons and yams. High-glycemic index foods include white bread, bagels, corn flakes, instant oatmeal, white rice, popcorn and saltine crackers. High-glycemic index foods, however, are effective fuels during and immediately after exercise because they provide sugar quickly to fuel exercise and replenish depleted carbohydrates. (Harvard Women’s Health Letter, December 2014)

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