What is a "superfood"?

A "superfood" refers to a nutrient-rich food that is recognized for its potential health benefits, particularly due to its high levels of vitamins, minerals, antioxidants, and other beneficial compounds. Foods commonly classified as superfoods, such as blueberries, kale, and quinoa, are believed to contribute positively to overall health and may help prevent various diseases. This classification stems from the perception that these foods can provide maximum nutritional benefits with relatively low caloric content.

In contrast to the other options, superfoods are not primarily marketed for weight loss, though they may be included in weight-loss diets. They are whole foods rather than foods classified as supplements, which typically come in pill or powder form rather than as a complete food source. Additionally, the idea of a superfood does not align with the concept of a food having no calories, since even the healthiest foods contribute calories to a diet, which are necessary for energy and bodily functions. Therefore, the definition of a superfood emphasizes its exceptional nutritional benefits rather than its calorie content or its marketing focus.