Think of bread, potatoes, pasta, rice and grain products. These contain many carbohydrates in the form of starch and fiber. This is converted by the body into sugars. Fruits and vegetables also contain sugars, starch and fibers. However, a normal portion of greenery and fruit may be eaten in most diets. Sometimes there are limitations and there is a search for the fruits and vegetables that contain the least carbohydrates. In the case of vegetables, for example, broccoli, cauliflower and spinach.