Collettsville, North Carolina. Collettsville (pronounced coh-lets-ville) is a small unincorporated community in Caldwell County, North Carolina, United States. It is part of the HickoryâLenoirâMorganton Metropolitan Statistical Area.
It is best to get most of these calories from complex carbohydrates (starches) and natural sugars. In addition to calories, complex carbohydrates provide vitamins, minerals, and fiber. To increase your intake of complex carbohydrates and healthy nutrients: 1  Eat fruits and vegetables.t is best to get most of these calories from complex carbohydrates (starches) and natural sugars. In addition to calories, complex carbohydrates provide vitamins, minerals, and fiber. To increase your intake of complex carbohydrates and healthy nutrients: 1  Eat fruits and vegetables.
Carbohydrates and the Brain. The main function of carbohydrates in your diet is to provide energy and fuel to your body, especially your brain. Carbohydrates break down into glucose in your body, which is then used as energy. Complex carbohydrates are carbs that break down more slowly in your system, providing a more gradual energy source than simple carbohydrates, which can cause spikes to your blood sugar and energy levels.