Carbs provide energy. Simple are digested faster and are found in a lot of processed foods. They can leave you feeling unsatisfied and can tend to make you overeat. They are also referred to as "Bad" carbs.

Complex carbs take longer to digest and usually have fiber, vitamins, and minerals. They are found in veggies, breads, cereals, and pastas. They provide you the energy you need when you're working out.