Tomatoes are typically found in such abundance and so easily sneak their way into our daily diets that they often go overlooked for their outstanding nutritional value. You find them sliced on sandwiches, diced and tossed in salads, and in just about every Italian dish you can think of. Tomatoes come in so many varieties, but one thing is true for all of them: they are one of the best foods you can eat to promote overall health.