 [ Symptoms ] diabetic diet for gallstones my husband is iddm and very sensitive to carbs he was just diagnosed with gallstones what can he eat that will not affect his blood sugar [ Disease ] his diet should not change from what he has been doing to manage his blood sugar which usually includes carbohydrate counting as for the gallstones a healthy diet that is low in fat and rich in fruits vegetables whole grains low fat dairy and lean meats is best to much fatty or processed carbohydrates may exacerbate symptoms of gallstones for more information on diet for gallstones see this webmd article