density is a measure of the nutrients a food provides compared to the it provides. Foods low in calories and high in nutrients are while foods high in calories and low in nutrients are Nutrient-dense foods should be eaten often, whereas nutrient-poor foods should only be eaten occasionally. A healthful includes mostly nutrient-dense foods. People who restrict their calories should obtain as much as they can from the calories they consume by choosing nutrient-dense foods. Those who consistently choose nutrient-poor foods will not get the nutrients they need.