Khyati's Health-O-Meter Says:
This is one of the healthiest sandwiches to have as egg whites are a good source of protein, and also contain a number of essential vitamins and minerals and relatively few calories. Plus the multigrain bread is an excellent source of carbohydrates. Cucumber helps to give relief from heartburns, the fiber in it helps in digestion. Cucumber also helps to remove toxins out of the body. They are a great source of micronutrients which may help to lower blood pressure.