Which of the following contains dietary fiber?

Dietary fiber is primarily found in complex carbohydrates. Complex carbohydrates consist of long chains of sugar molecules and include starchy foods as well as fiber-rich foods. They are often derived from whole foods such as grains, legumes, fruits, and vegetables, which contain both soluble and insoluble forms of fiber.

Fiber plays an essential role in digestion and overall health, aiding in bowel regularity, and helping to maintain a healthy weight and reduce the risk of various health conditions. In contrast, simple carbohydrates mainly consist of sugars that the body digests quickly, providing a rapid source of energy, but they typically lack fiber. Processed sugars are refined and stripped of any fiber content, while saturated fats are not related to carbohydrates at all and contain no dietary fiber. Thus, complex carbohydrates are the correct answer because they are the primary source of dietary fiber in our diets.