Peanut butter is both nutritious and delicious. It pairs well with everything from fruits to chocolate and jelly to celery. High in healthy monounsaturated fats and nutrient-rich, it's one of our favorite foods for weight loss. Not only does it promote a flat belly, it does a host of other amazing things to your body. Watch this video to find out more, and check out our report on 9 More Things That Happen to Your Body When You Eat Peanut Butter!