What is the recommended dietary source of carbohydrates for sustained energy?

Whole grains are recommended as the dietary source of carbohydrates for sustained energy due to their complex nature. They contain a higher amount of fiber and essential nutrients compared to more processed sources. The complexity of whole grains means they are digested more slowly, providing a gradual release of glucose into the bloodstream. This slow digestion helps maintain steady energy levels over time, decreasing the likelihood of energy spikes and crashes often associated with refined sugars and processed foods. Moreover, whole grains include a variety of important nutrients such as B vitamins, iron, and magnesium, contributing to overall health and energy metabolism. This combination of factors makes whole grains a superior choice for sustained energy in comparison to the other options listed.