Which type of carbohydrate primarily provides energy?

Simple carbohydrates are primarily responsible for providing energy due to their chemical structure and rapid digestion. They consist of one or two sugar units (monosaccharides and disaccharides), which the body can quickly convert into glucose, the primary source of energy for cells. Simple carbohydrates are found in foods such as fruits, honey, and sugar, which can lead to a quick spike in blood sugar levels and provide an immediate energy source.

In contrast, the other options listed do not primarily serve an energetic function. Vitamins, for instance, are essential micronutrients that play critical roles in various biochemical processes but do not provide energy. Proteins can be used for energy through gluconeogenesis if carbohydrates are insufficient, yet their primary roles are in growth, repair, and maintenance of bodily tissues. Minerals are also vital for various metabolic pathways, but like vitamins, they do not directly supply energy. Thus, simple carbohydrates stand out as the most direct and efficient source of energy among the choices provided.