4. Cutting Out Refined Carbohydrates

Refined carbohydrates will not benefit your run to losing that 10 pounds in 3 weeks. In fact, it’ll make it nearly impossible to accomplish that goal. The absorb factor of eating these foods, will have you hungry in no time, causing your blood sugar to rise in the process. Candy, cookies, sweets and cake are just some of the foods you should stay away from during your 3-week grind.