This is the B in the BRAT diet that our moms encouraged us to follow when our tummies were hurting as youngsters. Bananas provide your body with some much-needed electrolytes to whip your GI tract back into shape. These yellow bunches also offer potassiumto aid your belly when it's been ravaged by diarrhea and/or vomiting. Hey, we've all been there guys. But this is real talk on how to ease your future pains.