What does "nutrient density" refer to?

Nutrient density is a measure of the amount of essential nutrients—such as vitamins, minerals, fiber, and protein—provided per calorie in a food. The concept highlights the importance of selecting foods that offer more nutritional value relative to their caloric content. Foods that are considered nutrient-dense provide a higher proportion of essential nutrients compared to the number of calories they contain. This is crucial for weight management and overall health, as nutrient-dense foods can help individuals meet their nutritional needs without exceeding calorie limits.

While calories per serving can indicate the energy content of a food, it does not provide information about the nutritional quality relative to that energy. Focusing solely on vitamins would ignore other vital nutrients like minerals and macronutrients, which are equally important for health. Similarly, assessing fats per meal does not consider the broader context of the food's overall nutritional profile. Thus, understanding nutrient density encourages individuals to choose foods that contribute positively to their health and wellness goals.