Dates are naturally sweet, with a high sugar content. But don't let that worry you. As a whole food, these little beauties pack a serious nutritional punch! Yes, they are a good source of fiber, but they are also very high in potassium. Remember that potassium helps lower your blood pressure, working as a check-and-balance for sodium. Few people consume enough potassium, so this is a great help! Dates are also a source of iron, magnesium, copper, and several B vitamins.